He is competent for the position.
他做這個工作沒問題。

1. competent 能夠勝任的；有能力的；稱職的
be competent to do/for
有能力做/勝任..
Make sure the firm is competent to carry out the work.
要確保這家公司有能力勝任這項任務。
I don't think he is competent for this job.
我不覺得他勝任這個工作。
2.position 職業；職務
I want to apply for the position of Sales Director.
我想申請銷售部主任一職。
He resigned his position as a schoolmaster.
他辭去了校長一職。

A:I heard you will go on a business trip.
我聽說你要出差了。
B:Yes,I must go to Shanghai to attend a meeting about our plan.
是的，我要去上海參加一個企劃會議。
A:How long will you be away?
去多久？
B:Six days or so.
6天左右。
A:Who will take your place?
誰接替你的崗位？
B:Harry.He has been assisting me on the plan.
哈利。他一直在幫我做這個企劃。
A:Good choices.He is competent for the position.
不錯。他做這個工作沒問題。
B:Yes,he is familiar with the plan.
是的，他對這個企劃很熟悉。