她是一位能干的老师。

She is a ___competent teacher.

我不会说他很出色，但他在工作上很能干。

I wouldn't say he was brilliant but he is ___competent at his job.

到游戏结束时，你将需要成为一名熟练的射手。

By the end of the game, you will be expected to become a ___competent shooter.