について尋ねた

asked about

→ に
phrase Rare #29,004
asked about A past-tense expression meaning that someone asked about a topic or person. について means “about,” and 尋ねた is the past form of 尋ねる, “to ask.”
JA: 先生に試験について尋ねた。
EN: I asked the teacher about the exam.

彼は私の新しい仕事について尋ねた

He asked about my new job.

彼を知らなかったので、私は妹に彼の仕事について尋ねた

I didn’t know him, so I asked my younger sister about his job.

私はトム彼の新しい本について尋ねた

I asked Tom about his new book.

私は彼に彼の書いた新しい本について尋ねた

I asked him about the new book he had written.

彼らは彼の過去の経験について尋ねた

They asked him about his past experiences.