您要查找的是不是：
- 我的意思是说他很难胜任这一职务。I mean that he is unfit for the post.
- 难problem
- 胜任be competent for
- 用力exert oneself (physically)
- 出力contribute
- 为难make things difficult for
- 力大muscularity
- 难的hardy
- 意志力willpower
- 很难very difficult
- 胜任的competent
- 压克力acryl
- 两难be in a dilemma
- 受力stress
- 能胜任的competent
- 难过的sorry
- 用力的emphatic
- 他胜任工作。He's efficient at his job.
- 难看的malformed
- 领导力leading capacity
