wear down

动词 wear down:

1. exhaust or get tired through overuse or great strain or stress
   同义词：tire, wear upon, tire out, wear, weary, jade, wear out, outwear, fag out, fag, fatigue
2. deteriorate through use or stress
   同义词：wear, wear off, wear out, wear thin

1. Her defences will wear down after a few weeks in prison.
   在监狱呆几星期之后，她的防卫力将会减弱。
2. 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。
3. The tread on the tyres has (been) worn down to a dangerous level.
   轮胎胎面花纹已经磨损得到了能发生危险的地步了。