我的手腕不小心撞到了桌角，现在很疼。

I accidentally hit my wrist on the table corner, and it really ___hurts now.

看到朋友难过让我心里很难受。

It really ___hurts to see my friend so upset.

长时间盯着屏幕会损害你的视力。

Staring at screens for too long ___hurts your eyesight.

我现在走路时腿会疼。

My leg ___hurts when I walk now.