dig up dirt
揭发或寻找对别人不利的信息或证据
口语·指揭露他人丑闻或隐私
英文释义
To find or uncover damaging or embarrassing information about someone
例句
The journalist tried to dig up dirt on the politician before the election.
典故来源
源自“挖土”的比喻，将秘密或丑闻比作埋在地下的污垢，需费力挖掘。