catch someone with their pants down

US /kætʃ ˈsʌm.wʌn wɪð ðer pænts daʊn/
UK /kætʃ ˈsʌm.wʌn wɪð ðer pænts daʊn/
"catch someone with their pants down" picture
1.

bắt quả tang, khiến ai đó không kịp trở tay

to discover someone doing something wrong or embarrassing, or to find them unprepared for something

:
The boss caught him with his pants down when he was playing games on his computer during work hours.
Ông chủ bắt quả tang anh ta đang chơi game trên máy tính trong giờ làm việc.
The sudden inspection caught many employees with their pants down, as they hadn't prepared their reports.
Cuộc kiểm tra đột xuất khiến nhiều nhân viên không kịp trở tay, vì họ chưa chuẩn bị báo cáo.