catch someone napping

US /kætʃ ˈsʌm.wʌn ˈnæp.ɪŋ/
UK /kætʃ ˈsʌm.wʌn ˈnæp.ɪŋ/
"catch someone napping" picture
1.

iemand verrassen, iemand betrappen

to surprise someone when they are not prepared for something, especially when they are not paying attention or are doing something they shouldn't be doing

:
The teacher caught him napping when he was playing games on his phone during class.
De leraar betrapte hem toen hij tijdens de les spelletjes op zijn telefoon speelde.
The sudden inspection caught many employees napping, as they were not following company protocols.
De plotselinge inspectie betrapte veel werknemers, omdat ze de bedrijfsprotocollen niet volgden.