fishing expedition
US /ˈfɪʃɪŋ ˌɛkspəˈdɪʃən/
UK /ˈfɪʃɪŋ ˌɛkspəˈdɪʃən/

1.
낚시성 수사, 정보 탐색
an investigation or search for information that is not clearly defined or has no specific goal, often with the hope of finding something incriminating or useful
:
•
The defense attorney accused the prosecution of going on a fishing expedition, hoping to uncover new evidence without a clear lead.
변호사는 검찰이 명확한 단서 없이 새로운 증거를 찾으려는 낚시성 수사를 하고 있다고 비난했다.
•
The journalist's questions felt like a fishing expedition, trying to get me to reveal something I didn't want to.
기자의 질문은 내가 말하고 싶지 않은 것을 밝히게 하려는 낚시성 질문 같았다.