Definition
To discover someone in the act of doing something they wished to keep hidden, often something illicit or embarrassing.
撞见做苟且之事
He tried to cover up his misconduct, but his boss caught him with his pants down.
他试图掩盖自己的不当行为，但他的老板撞见了他正在做坏事。
The media caught the politician with his pants down meeting with lobbyists, leaving him in an embarrassing situation.
媒体撞见了那位政客与游说者会面，让他陷入了尴尬的境地。
They were caught with their pants down accessing confidential documents without authorization.
他们在未经授权的情况下访问机密文件时被撞见。
To ask someone unexpectedly to do or say something that they are not prepared for, thus catching them off guard.
旁人不偶时的要求
The reporter caught the politician with his pants down by asking that question unexpectedly at the press conference.
记者在记者会上突然提出那个问题，让那位政治家措手不及。
The boss caught everyone with their pants down by unexpectedly asking about the sales figures during the meeting.
老板在会议中突然询问销售数据，让所有人都措手不及。
The professor caught me with my pants down by calling on me unexpectedly to answer a question in class.
教授在课堂上突然点名让我回答问题，让我措手不及。