casual

adj.

不介意；不注意 without care/attention

1. 不经意的；无忧无虑的；漫不经心的；不在乎的
   not showing much care or thought; seeming not to be worried; not wanting to show that sth is important to you
   1. a casual manner
      漫不经心的样子
   2. It was just a casual remark─I wasn't really serious.
      我只是随便说说，并不当真。
   3. He tried to sound casual, but I knew he was worried.
      他讲话时试图显得不在乎，但我知道他心里着急。
   4. They have a casual attitude towards safety (= they don't care enough) .
      他们对安全问题采取无所谓的态度。
2. 马虎的；疏忽的
   without paying attention to detail
   1. a casual glance
      随便扫一眼
   2. It's obvious even to the casual observer.
      即便再马虎的人也能一眼看明白是怎么回事。

非正式 not formal

3. 非正式；随便的
   not formal
   1. casual clothes (= comfortable clothes that you choose to wear in your free time)
      便装
   2. family parties and other casual occasions
      家庭聚会和其他非正式场合

工作 work

4. 临时的；不定期的
   not permanent; not done, or doing sth regularly
   1. casual workers/labour
      临时工；零工
   2. Students sometimes do casual work in the tourist trade.
      学生有时做些旅游方面的零工。
   3. They are employed on a casual basis (= they do not have a permanent job with the company) .
      他们被雇为临时工。

关系 relationship

5. 感情不深的；疏远的
   without deep affection
   1. a casual acquaintance
      泛泛之交
   2. a casual friendship
      一般的友谊
   3. to have casual sex (= to have sex without having a steady relationship with that partner)
      做露水鸳鸯

偶然 by chance

6. 偶然的；碰巧的
   happening by chance; doing sth by chance
   1. a casual encounter/meeting
      不期而遇；邂逅
   2. a casual passer-by
      碰巧过路的人
   3. The exhibition is interesting to both the enthusiast and the casual visitor.
      热心的爱好者和碰巧来参观的人都认为这个展览有意思。
   4. The disease is not spread by casual contact.
      此病不会通过偶然接触传染。

noun

服装 clothes

1. 便装；便鞋
   informal clothes or shoes
   1. dressed in casuals
      穿着便装

工人 worker

2. 临时工
   a casual worker (= one who does not work permanently for a company)

1. ADJ-GRADED 漫不经心的;(故作)随意的
   If you are casual, you are, or you pretend to be, relaxed and not very concerned about what is happening or what you are doing.
   1. It's difficult for me to be casual about anything...
      要我轻松处事很难。
   2. He's an easy-going, friendly young man with a casual sort of attitude towards money.
      他是个随和、友善的年轻人，不太在意金钱。
2. ADJ (事件或情况)偶发的，偶然的，碰巧的
   A casual event or situation happens by chance or without planning.
   1. What you mean as a casual remark could be misinterpreted...
      你随便说的一句话，可能就被曲解了。
   2. Even a casual observer could hardly have failed to notice the heightening of an already tense atmosphere.
      即便是不经意的旁观者也一定已经觉察到本就紧张的气氛进一步加剧了。
3. ADJ-GRADED (服装)休闲的，便装的
   Casual clothes are ones that you normally wear at home or on holiday, and not on formal occasions.
   1. I also bought some casual clothes for the weekend.
      我还买了些周末穿的休闲装。
4. ADJ (工作)临时的，短期的
   Casual work is done for short periods and not on a permanent or regular basis.
   1. ...establishments which employ people on a casual basis, such as pubs and restaurants...
      酒吧、饭店等雇用临时工的地方
   2. It became increasingly expensive to hire casual workers.
      雇用临时工越来越贵了。

1. Their attempts to be casual have so far just looked arch or patronising.
   他们本想做出漫不经心的样子，结果反而显得傲慢自大或自视甚高。
2. It's difficult for me to be casual about anything
   要我轻松处事很难。
3. He's an easy-going, friendly young man with a casual sort of attitude towards money.
   他是个随和、友善的年轻人，不太在意金钱。
4. What you mean as a casual remark could be misinterpreted
   你随便说的一句话，可能就被曲解了。
5. Even a casual observer could hardly have failed to notice the heightening of an already tense atmosphere.
   即便是不经意的旁观者也一定已经觉察到本就紧张的气氛进一步加剧了。
6. I also bought some casual clothes for the weekend.
   我还买了些周末穿的休闲装。
7. It became increasingly expensive to hire casual workers.
   雇用临时工越来越贵了。
8. The boy was cheeky and casual
   那个小男孩有点放肆，随随便便的。
9. He dressed quickly in casual clothes.
   他很快穿上休闲装。
10. There is no comparison between the knowledge and skill of such a player and the ordinary casual participant.
    临时的普通参赛者无法与这种选手所掌握的知识和技巧相提并论。
11. Every movement, no matter how casual and spontaneous, needs to be worked out to the last detail
    对每一个动作，无论它显得多么随意和无意识，都不能放过一丝细节。
12. The painting depicted a hall so lifelike that a casual observer might believe himself to be looking through an open door.
    这幅画描绘的厅堂如此逼真，若不细看，还真以为是从一扇开着的门往里看呢。
13. A casual observer would have taken them to be three men out for an evening stroll
    乍一看的话，还以为他们三人是晚上出来散步的。
14. She had a purposeful air, and it became evident that this was not a casual visit.
    她一副无事不登三宝殿的神情，很明显，这不是一次随意造访。
15. A sharp dresser, Wyatt is never seen in casual clothes.
    怀亚特衣着入时，从未有人见过他穿便装。
16. Garland tried to appear casual, but he couldn't conquer his unease.
    加兰努力装出无所谓的样子，可是他没法克服自己的局促不安。
17. Bring informal casual wear.
    带上休闲的衣服。
18. Casual shoes need to wear well
    休闲鞋得耐穿。
19. I was wrong about it being a casual meeting
    我误以为这是个非正式会议。
20. He replied with a casual air.
    他漫不经心地回答。
21. We are the casual acquaintances of a long railway journey.
    我们是在火车长途旅行中相识的朋友。
22. We are only casual acquaintances.
    我们不过是泛泛之交。
23. You must not be so casual about this matter.
    对待这件事要严肃，不能嘻嘻哈哈的。
24. This sense of an audience made him deliberately casual in his bearing.
    意识到听众在场，他故意摆出一副漫不经心的态度。
25. He earns a living by casual labor.
    他靠做临时工为生。
26. The guests wore casual clothes.
    客人们穿着便服。
27. The way of life is attained through deliberate thought but ruined by casual negligence.
    行成于思，毁于随。
28. The two old friends had a casual meeting.
    这两位老朋友不期而遇。
29. His attitude to work is rather casual.
    他工作态度相当马虎。
30. She's a very casual person.
    她是一个很随便的人。

  carefree casual easy【导航词义：轻松愉快的】

  carefree adj. 无忧无虑的

〔辨析〕指没有任何担忧或烦恼之事的。

  casual adj. 漫不经心的

〔辨析〕指轻松随意、无忧无虑，不把任何事放在心上的。

  random accidental casual【导航词义：偶然的】

  random adj. 随机的，随意的

〔辨析〕指无计划或目的地选择或发生的。

  accidental adj. 意外的，偶然的

〔辨析〕指计划外或无意间发生的。

  casual adj. 碰巧的，偶然的

〔辨析〕指随意、并无计划的，只作定语。

adj

1. hasty and without attention to detail
   1. a casual (or cursory) inspection failed to reveal the house's structural flaws
   2. a passing glance
   3. perfunctory courtesy

   Synonym:    cursorypassing(a)perfunctory

2. marked by blithe unconcern
   1. an ability to interest casual students
   2. showed a casual disregard for cold weather
   3. an utterly insouciant financial policy
   4. an elegantly insouciant manner
   5. drove his car with nonchalant abandon
   6. was polite in a teasing nonchalant manner

   Synonym:    insouciantnonchalant

3. not showing effort or strain
   1. a difficult feat performed with casual mastery
   2. careless grace

   Synonym:    effortless

4. appropriate for ordinary or routine occasions
   1. casual clothes
   2. everyday clothes

   Synonym:    everydaydaily

5. natural and unstudied
   1. using their Christian names in a casual way
   2. lectured in a free-and-easy style

   Synonym:    free-and-easy

6. characterized by a feeling of irresponsibility
   1. a broken back is nothing to be casual abou

   Synonym:    fooling

7. occurring or appearing or singled out by chance
   1. seek help from casual passers-by
   2. a casual meeting
   3. a chance occurrence

   Synonym:    chance(a)

8. without or seeming to be without plan or method
   1. a casual remark
   2. information collected by casual methods and in their spare time

9. occurring from time to time
   1. casual employment
   2. a casual correspondence with a former teacher
   3. an occasional worker

   Synonym:    occasional