追问 (zhuī wèn): to question closely; to investigate in detail; to examine minutely; to get to the heart of the matter

The reporters pressed the mayor with questions, trying to find out where the funds had actually gone.

The interviewer kept pressing me for details about my project, and I almost couldn't answer.

The mother questioned her daughter closely about why she had come home so late, so the daughter had no choice but to tell the truth.

The police questioned the suspect closely about where he was when the crime occurred, and the suspect began to get nervous.