その仕事に適任

suited for that job

→ 其の
phrase Rare #37,595
suited for that job Used to say that someone is suitable or qualified for a particular job. その仕事 means “that job,” and に marks what the person is suited for.
JA: 彼女はその仕事に適任だと思います。
EN: I think she is suited for that job.

彼はその仕事に適任ではなかった

He wasn't suited for the job.

自分がその仕事に適任であるとは思いません

I don't think I'm the right person for the job.

自分がその仕事に適任であるに関しては確信持てない

I’m not sure if I’m the right person for the job.

私の意見では彼はその仕事に適任

In my opinion, he is well-suited for the job.