我已经警告过你几次关于迟到的事了，我的耐心正在消磨。

I've warned you several times about being late and my patience is ___wearing ___thin.

当他们的信念开始动摇时，他们几乎无法对抗他人。

Hardly could they fight against others, when their own convictions had started to ___wear ___thin.

经过多次借口，他的道歉开始变得难以接受。

After repeated excuses, his apologies began to ___wear ___thin.