wear down

• • 磨损，磨薄，磨短：

    The point of the pencil had been worn down when I finished this letter.

    写完这封信时铅笔已经磨得很短了。

  • 使衰弱，使筋疲力尽；使厌倦：

    Looking after a high-spirited child can soon wear a person down.

    照看一个精力旺盛的孩子，一会儿就能把人搞得筋疲力尽。

  • 由于坚持而克服…的反对，逐渐克服；说服：

    Their persuasion has worn down her opposition.

    他们已经说服她不再反对。

  • 削弱，消耗：

    to wear down the enemy forces

    消耗敌军