exert himself

• vt. 努力(尽力)

exert himself的用法和样例：

例句

1. He is a hypocrite and never exerts himself to help anyone.
   ＂他是个伪君子，从不尽力帮助任何人。＂
2. He doesn't have to exert himself on my behalf.
   他不必为我费那么大力气。
3. He never exerts himself to help anyone.
   他从不尽力帮助任何人。