thin

adj.

薄；细 not thick

1. 薄的；细的
   having a smaller distance between opposite sides or surfaces than other similar objects or than normal
   1. Cut the vegetables into thin strips.
      把菜切成细条。
   2. A number of thin cracks appeared in the wall.
      墙上出现了许多细裂缝。
   3. The body was hidden beneath a thin layer of soil.
      尸体被埋藏在薄薄的一层土下面。
   4. a thin blouse (= of light cloth)
      薄薄的女衬衫

瘦 not fat

2. 瘦的
   not covered with much flesh
   1. He was tall and thin, with dark hair.
      他又高又瘦，满头黑发。
   2. She was looking pale and thin.
      她面黄肌瘦。
   3. He is as thin as a rake (= very thin) .
      他骨瘦如柴。
   4. thin legs
      细腿

毛发 hair

3. 稀少的；稀疏的
   not growing closely together or in large amounts
   1. thin grey hair
      稀疏的花白头发

液体 liquid

4. 稀薄的；淡的
   containing more liquid than is normal or expected
   1. The sauce was thin and tasteless.
      这酱汁淡而无味。

烟 smoke

5. 能见度较高的；稀薄的
   fairly easy to see through
   1. They fought their way through where the smoke was thinner.
      他们挣扎着从烟雾稀薄的地方逃了出去。

空气 air

6. 稀薄的；含氧少的
   containing less oxygen than normal

声音 sound

7. 微弱的；尖细的；有气无力的
   high and weak
   1. Her thin voice trailed off into silence.
      她的声音越来越弱直至毫无声息。

微笑 smile

8. 不真心实意的；冷淡的
   not sincere or enthusiastic
   1. He gave a thin smile.
      他淡然一笑。

光 light

9. 微弱的；暗淡的
   not very bright
   1. the thin grey light of dawn
      浅灰色的晨曦

劣质 poor quality

10. 质量差的；空乏的；拙劣的
    of poor quality; lacking an important quality
    1. a thin excuse (= one that people are not likely to believe)
       站不住脚的借口
    2. Their arguments all sound a little thin to me.
       他们的论据我听起来都觉得有点儿缺乏说服力。

adv.

1. 薄薄地
   in a way that produces a thin piece or layer of sth
   1. Don't spread it too thin.
      不要涂得太薄。
   2. I like my bread sliced thin.
      我喜欢吃切成薄片的面包。

verb

液体 liquid

1. （掺水等）使稀薄，使变淡
   to make a liquid less thick or strong by adding water or another substance
   1. Thin the paint with water.
      用水把颜料调稀。

毛发 of hair

2. 变稀疏；变稀少
   to become less thick
   1. a middle-aged man with thinning hair
      头发逐渐稀少的中年男子

变稀少 become less thick

3. （使）变稀薄，变稀疏，变少
   to become less thick or fewer in number; to make sth less thick or fewer, for example by removing some things or people
   1. The clouds thinned and the moon shone through.
      云层渐稀，透出了月光。
   2. The crowd had thinned out and only a few people were left.
      人群渐渐散去，只剩下几个人。
   3. Thin out the seedlings to about 10cm apart.
      把秧苗间成相隔10厘米。

1. ADJ-GRADED 窄的;细的
   Something that is thin is much narrower than it is long.
   1. A thin cable carries the signal to a computer...
      一根细电缆将信号传送给一台计算机。
   2. James's face was thin, finely boned, and sensitive.
      詹姆斯面部瘦削，轮廓分明，容易过敏。
2. ADJ-GRADED (人、动物)瘦的
   A person or animal that is thin has no extra fat on their body .
   1. He was a tall, thin man with grey hair...
      他是个瘦高个，头发灰白。
   2. He is small and very thin and has pale-white skin.
      他个头瘦小，肤色苍白。
3. ADJ-GRADED (纸、布等)薄的
   Something such as paper or cloth that is thin is flat and has only a very small distance between its two opposite surfaces.
   1. ...a small, blue-bound book printed in fine type on thin paper...
      一本用纸轻薄、字体精细的蓝皮小书
   2. A thin layer of topsoil was swept away.
      薄薄的一层表土被冲走了。
4. ADJ-GRADED (液体)稀的，淡的
   Liquids that are thin are weak and watery.
   1. The soup was thin and clear, yet mysteriously rich...
      汤又稀又清，味道却出奇地浓。
   2. They are stirring huge pots of rice and thin vegetable soup over a fire made of charcoal.
      他们搅动着架在木炭火堆上的大罐米饭和蔬菜清汤。
5. ADJ-GRADED (人群、观众)稀少的，稀疏的
   A crowd or audience that is thin does not have many people in it.
   1. The crowd, which had been thin for the first half of the race, had now grown considerably.
      比赛前半段观众还稀稀拉拉的，这时明显增多了。
6. ADJ-GRADED (微笑)冷淡的，牵强的，不幽默的
   A thin smile is one that is not friendly or humorous.
   1. All she could manage was a thin, wan smile.
      她极力挤出了一丝勉强的苦笑。
7. ADJ-GRADED (衣物)薄的，单薄的
   Thin clothes are made from light cloth and are not warm to wear.
   1. Her gown was thin, and she shivered, partly from cold.
      她的礼服很薄，浑身在发抖，一半是冻的。
8. ADJ-GRADED (论点、解释)浅薄的，不足信的，说服力差的
   If you describe an argument or explanation as thin, you mean that it is weak and difficult to believe.
   1. However, the evidence is thin and, to some extent, ambiguous...
      然而，这个证据难以令人信服，而且有点模棱两可。
   2. Even if the optimists' theory is true, it still seems a thin argument against reform.
      就算乐观主义者的理论是对的，还是不足以阻止改革的进行。
9. ADJ-GRADED (声音)尖声尖气的，尖细的
   A voice or sound that is thin is high-pitched and not very loud.
   1. Her thin voice rose high in complaint.
      她抱怨时抬高了尖细的嗓音。
10. ADJ-GRADED (头发)稀疏的
    If someone's hair is described as thin, they do not have a lot of hair.
    1. She had pale thin yellow hair she pulled back into a bun.
       她把一头稀疏的浅黄色头发向后梳，挽成了个圆髻。
11. V-ERG (使)变稀疏
    When you thin something or when it thins, it becomes less crowded because people or things have been removed from it.
    1. It would have been better to have thinned the trees over several winters rather than all at one time...
       当初要是分几个冬天疏剪树木，会比一下子疏剪完效果好。
    2. By midnight the crowd had thinned.
       半夜时分，人群渐渐散去了。
    3. Thin out means the same as thin .
       thin out 同 thin
    4. NATO will continue to thin out its forces...
       北约将继续缩减兵力。
    5. When the crowd began to thin out, I realized that most of the food was still there...
       人群渐渐散去的时候，我意识到大多数食物基本没人动过。
    6. Further up the river, the vineyards start to thin out and the orange groves and almond trees take over.
       继续溯流而上，葡萄园开始淡去，柑橘园和杏树多了起来。
12. VERB 使（调味汁或液体）变稀薄;使变淡
    To thin a sauce or liquid means to make it weaker and more watery by adding another liquid to it.
    1. It may be necessary to thin the sauce slightly...
       可能有必要将酱汁稍稍稀释一下。
    2. Aspirin thins the blood, letting it flow more easily through narrowed blood vessels.
       阿司匹林可以稀释血液，使其在变窄的血管里更顺畅地流动。
    3. Thin down means the same as thin .
       thin down 同 thin
    4. Thin down your mayonnaise with soured cream or natural yoghurt.
       用酸奶油或原味酸奶稀释蛋黄酱。
    5. ...an oil-based paint that was thinned down with white spirit.
       用石油溶剂油稀释了的油性油漆
13. 他的头发开始脱落，皮肤也老化了。 → see: His hair is thinning and his skin has lost all hint of youth.
14. PHRASE (耐心等)消磨掉，耗尽
    If someone's patience, for example, is wearing thin, they are beginning to become impatient or angry with someone.
    1. Parliament has not yet begun to combat the deepening economic crisis, and public patience is wearing thin.
       议会还没有着手应对日益严重的经济危机，公众日渐失去了耐心。
15. on thin ice → see: ice

1. He had a thin aquiline nose and deep-set brown eyes.
   他长着窄长的鹰钩鼻和深陷的褐色眼睛。
2. They discovered how to form the image in a thin layer on the surface.
   他们发现了如何在表面薄薄的一层上形成影像。
3. There is a thin dividing line between educating the public and creating a predisposition to panic.
   对公众进行教育和制造恐慌倾向之间没有明显的分界。
4. A long thin wool coat and a purple headscarf protected her against the wind
   一件薄薄的羊毛长外套和一条紫色的头巾为她挡了风。
5. I'm tall and thin and he's short and fat.
   我又高又瘦，他又矮又胖。
6. She'd stuck by Bob through thick and thin.
   她和鲍勃患难与共。
7. A thin cable carries the signal to a computer
   一根细电缆将信号传送给一台计算机。
8. James's face was thin, finely boned, and sensitive.
   詹姆斯面部瘦削，轮廓分明，容易过敏。
9. He was a tall, thin man with grey hair
   他是个瘦高个，头发灰白。
10. He is small and very thin and has pale-white skin.
    他个头瘦小，肤色苍白。
11. A thin layer of topsoil was swept away.
    薄薄的一层表土被冲走了。
12. The soup was thin and clear, yet mysteriously rich
    汤又稀又清，味道却出奇地浓。
13. They are stirring huge pots of rice and thin vegetable soup over a fire made of charcoal.
    他们搅动着架在木炭火堆上的大罐米饭和蔬菜清汤。
14. The crowd, which had been thin for the first half of the race, had now grown considerably.
    比赛前半段观众还稀稀拉拉的，这时明显增多了。
15. All she could manage was a thin, wan smile.
    她极力挤出了一丝勉强的苦笑。
16. Her gown was thin, and she shivered, partly from cold.
    她的礼服很薄，浑身在发抖，一半是冻的。
17. However, the evidence is thin and, to some extent, ambiguous
    然而，这个证据难以令人信服，而且有点模棱两可。
18. Even if the optimists 'theory is true, it still seems a thin argument against reform.
    就算乐观主义者的理论是对的，还是不足以阻止改革的进行。
19. Her thin voice rose high in complaint.
    她抱怨时抬高了尖细的嗓音。
20. She had pale thin yellow hair she pulled back into a bun.
    她把一头稀疏的浅黄色头发向后梳，挽成了个圆髻。
21. It would have been better to have thinned the trees over several winters rather than all at one time
    当初要是分几个冬天疏剪树木，会比一下子疏剪完效果好。
22. By midnight the crowd had thinned.
    半夜时分，人群渐渐散去了。
23. It may be necessary to thin the sauce slightly
    可能有必要将酱汁稍稍稀释一下。
24. Aspirin thins the blood, letting it flow more easily through narrowed blood vessels.
    阿司匹林可以稀释血液，使其在变窄的血管里更顺畅地流动。
25. His hair is thinning and his skin has lost all hint of youth.
    他的头发开始脱落，皮肤也老化了。
26. Parliament has not yet begun to combat the deepening economic crisis, and public patience is wearing thin.
    议会还没有着手应对日益严重的经济危机，公众日渐失去了耐心。
27. I looked at his thin face with its almost transparent skin.
    我看着他清瘦的脸，脸上肌肤几近透明。
28. His wife stuck faithfully to him through thick and thin.
    他的妻子和他同甘共苦，对他坚贞不渝。
29. It was crazy of you to go skating on such thin ice.
    到这样薄的冰上溜冰，你真是疯了。
30. This gruel is too thin.
    粥太稀了。

  lean slender slight slim thin【导航词义：瘦的，细长的】

  lean adj. 〈褒〉瘦的，健美的

〔辨析〕尤指男人或动物瘦而健壮的。

  slender adj. 〈褒〉苗条的，纤细的

〔辨析〕多指女性身材修长苗条、体态优美的；形容物体时表示细或窄的。

  slight adj. 瘦弱的

〔辨析〕指人瘦小纤弱的。

  slim adj. 〈褒〉苗条的；薄的

〔辨析〕指人身材修长的，常用于减肥者；也可形容书、钱包等薄的。

  thin adj. 瘦的；细的

〔辨析〕普通用词，指人或身体部位瘦削的，也可形容物体细或薄的。

adj.

be skating/walking on thin ice

• 履薄冰；冒风险
  to be taking a risk

disappear, vanish, etc. into thin air

• 消失得无影无踪；不翼而飞；悄然而逝
  to disappear suddenly in a mysterious way

have a thin time (of it)

• 遇到许多麻烦；过得不顺
  to have many problems or difficulties to deal with; to not be successful

out of thin air

• 凭空；无中生有地
  from nowhere or nothing, as if by magic

the thin end of the wedge

• （不好的事物的）端倪，开端
  an event or action that is the beginning of sth more serious and/or unpleasant

thin on top

• 头发稀疏；谢顶
  without much hair on the head
  1. He's starting to get a little thin on top (= he's losing his hair) .
     他开始有点谢顶了。

a thin skin

• 脸皮薄；顾及脸面
  the lack of ability to accept criticism, insults, etc. without becoming upset

thick/thin on the ground

• 为数众多（或不多）；数目巨大（或微小）；众多（或稀少）
  if people or things are thick/thin on the ground , there are a lot/not many of them in a place
  1. Customers are thin on the ground at this time of year.
     一年里这个季节顾客很少。

walk/tread a fine/thin line

• 处于困境（或险境）；如履薄冰；走钢丝
  to be in a difficult or dangerous situation where you could easily make a mistake
  1. He was walking a fine line between being funny and being rude.
     他想滑稽而不粗鲁，难以把握分寸。

spread yourself too thin

• 样样都抓哪样都抓不好
  to try to do so many different things at the same time that you do not do any of them well

through thick and thin

• 不顾艰难险阻；赴汤蹈火；同甘共苦
  even when there are problems or difficulties
  1. He's supported the team for over ten years through thick and thin.
     十多年来，在任何情况下他都支持这个队。

wear thin

• 开始变弱；变得不受欢迎；变得兴趣索然
  to begin to become weaker or less acceptable
  1. These excuses are wearing a little thin (= because we've heard them so many times before) .
     这些托词让人听得有点儿腻烦。