wear down

1. PHRASAL VERB-ERG (使)磨平;(使)磨光
   If you wear something down or if it wears down, it becomes flatter or smoother as a result of constantly rubbing against something else.
   1. Pipe smokers sometimes wear down the tips of their teeth where they grip their pipes...
      抽烟斗的人用牙齿咬住烟斗，有时会把齿尖磨平。
   2. The machines start to wear down, they don't make as many nuts and bolts as they used to...
      机器开始出现磨损，螺母和螺钉的产量不如从前了。
   3. Elephants wear the tusk down faster than they can grow it.
      象牙磨损的速度快于生长的速度。
2. PHRASAL VERB 使斗志消磨;挫败
   If you wear someone down, you make them gradually weaker or less determined until they eventually do what you want.
   1. None can match your sheer willpower and persistence in wearing down the opposition...
      在消磨反对派的意志方面，没有人能比得上你那惊人的意志力和不懈的坚持。
   2. They hoped the waiting and the uncertainty would wear down my resistance...
      他们希望拖延搁置会瓦解我的抵抗。
   3. He believed that he could wear her down if he only asked often enough.
      他相信只要总缠着她问她就会松口。

1. Pipe smokers sometimes wear down the tips of their teeth where they grip their pipes
   抽烟斗的人用牙齿咬住烟斗，有时会把齿尖磨平。
2. The machines start to wear down, they don't make as many nuts and bolts as they used to
   机器开始出现磨损，螺母和螺钉的产量不如从前了。
3. Elephants wear the tusk down faster than they can grow it.
   象牙磨损的速度快于生长的速度。
4. None can match your sheer willpower and persistence in wearing down the opposition
   在消磨反对派的意志方面，没有人能比得上你那惊人的意志力和不懈的坚持。
5. They hoped the waiting and the uncertainty would wear down my resistance
   他们希望拖延搁置会瓦解我的抵抗。
6. He believed that he could wear her down if he only asked often enough.
   他相信只要总缠着她问她就会松口。
7. With these methods, we shall wear down the prisoner's resistance.
   用这些方法，我们将使犯人的抵抗逐渐减少。
8. Also, dogs who chew on tennis balls can wear down their teeth on the tough outer fuzz.
   并且狗在咬球的时候球身上的毛会磨损它的牙齿。
9. To explore the South Pole, it is of course necessary for the explorers to wear down jackets which have good heat preservation.
   去南极探险，当然要穿保暖性强的羽绒服。
10. Weight limits on trucks are frequently flouted, a problem because overburdened vehicles wear down road surfaces more quickly.
    卡车超载现象严重，这也是个问题，因为超载车辆对路面的磨损更快。
11. Over extended periods of time, batteries gradually wear down and require longer charging times. This is normal.
    随着使用时间，电池功能下降并需要较长时间进行充电，属于正常现象。
12. Application: mainly use to wear down tooth of horse.
    用途：主要用来磨平马的牙齿。
13. Without oxygen to help wear down the continents, sulfur minerals stay locked in the rocks and unavailable to hungry bacteria.
    由于没有氧气可使陆地分解，因此含硫矿物便封存在岩石中，饥饿的细菌也就没东西可吃了。
14. Using cautious slow strategy to wear down opposition; avoiding direct confrontation.
    使用谨慎拖拉的策略来消耗对方；避免直接的对峙。
15. High-grade arch-shaped watches produced recently are noBle and elegant, and will never wear down. Ball Wiper: Assist in lasting arched bottom shoes flawlessly.
    最新高档拱形手表，高贵典雅，水不磨损。强效型辅助扫刀&应付拱底高跟鞋类之拱起段结帮，完美流畅。
16. They have an exceedingly forceful negotiating style that tends to wear down other delegations.
    他们的谈判风格非常强硬，以至于其他的谈判代表都被消磨得疲惫不堪了。
17. His heels always wear down on the outside first.
    他的鞋跟总是先从外侧磨损。
18. Even mountains wear down, even the nuclei of atoms decay.
    听其自然的话，就连高山也会慢慢消逝，甚至原子核也会衰竭。
19. They tried to wear down the management's resistance by holding a series of strikes.
    他们举行一连串罢工，试图拖垮资方。
20. The strategy was designed to wear down the enemy's resistance.
    这一策略旨在逐步削弱敌人的抵抗力。
21. Recently in their ongoing ancestral holy-war against the Dwarves, they have been content to let the Troggs wear down their enemies for them.
    最近，在他们延续和矮人的圣战中，冰霜巨魔开始乐于驱使穴居人去消磨矮人。
22. Her defences will wear down after few weeks in prison.
    在监狱呆几星勤之后，她的防卫力精会减弱。
23. If you drag your feet while you walk, you will wear down your shoes quickly.
    如果你每次走路习惯拖著脚，你的鞋子很快就会报销。
24. Subtle effects of run-of-the-mill space storms may also wear down key components in electric power grids, making them liable to early failure.
    普通的太空风暴次的细微影响也会磨损电网的关键部分，使它们提早失效。
25. Leave the cure to Mother Nature. She knows best. Even mountains wear down, even the nuclei of atoms decay.
    要想痊愈就听其自然吧。老天爷最有办法。听其自然的话，就连高山也会慢慢消逝，甚至原子核也会衰竭。
26. They perceived that the enemy was trying to wear down their resistance.
    他们明白敌人是想用消耗的办法来制服他们的抵抗。
27. We hope your persuation will wear down his opposition.
    我们希望你能说服他不再反对。
28. To wear down or rub away by friction;
    磨蚀，磨损因摩擦而破损或擦伤；
29. Cast iron is so poor in plasticity, the low limits of strength, and poor corrosion resistance, that these ship-machinery parts are so easy to be covered with cracks, heavy corrosion, and serious wear down or ablated.
    由于灰口铸铁材料几乎没有塑性、强度极限低、耐腐蚀性差，因此铸铁零部件在使用中容易出现裂纹、锈蚀、磨损或烧蚀等缺陷。
30. The existing bridges will gradually wear down under the circumstances of the natural environment and applied environment.
    既有公路桥梁长期在自然环境和使用环境的作用下，技术状况会出现逐渐退化的趋势。

verb

1. exhaust or get tired through overuse or great strain or stress
   1. We wore ourselves out on this hike

   Synonym:    tirewear upontire outwearwearyjadewear outoutwearfag outfagfatigue

2. deteriorate through use or stress
   1. The constant friction wore out the cloth

   Synonym:    wearwear offwear outwear thin