Definition
To discover someone in the act of doing something they wished to keep hidden, often something illicit or embarrassing.
撞見做苟且之事
He tried to cover up his misconduct, but his boss caught him with his pants down.
他試圖掩蓋自己的不當行為，但他的老闆撞見了他正在做壞事。
The media caught the politician with his pants down meeting with lobbyists, leaving him in an embarrassing situation.
媒體撞見了那位政客與遊說者會面，讓他陷入了尷尬的境地。
They were caught with their pants down accessing confidential documents without authorization.
他們在未經授權的情況下訪問機密文件時被撞見。
To ask someone unexpectedly to do or say something that they are not prepared for, thus catching them off guard.
旁人不備時的要求
The reporter caught the politician with his pants down by asking that question unexpectedly at the press conference.
記者在記者會上突然提出那個問題，讓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.
老闆在會議中突然詢問銷售數據，讓所有人都措手不及。
The professor caught me with my pants down by calling on me unexpectedly to answer a question in class.
教授在課堂上突然點名讓我回答問題，讓我措手不及。