rap somebody on the knuckles

US /ræp ˈsʌm.bɑː.di ɑːn ðə ˈnʌk.əlz/
UK /ræp ˈsʌm.bɑː.di ɑːn ðə ˈnʌk.əlz/
"rap somebody on the knuckles" picture
1.

وبخ شخصًا, انتقد شخصًا

to criticize someone for something they have done wrong

:
The teacher had to rap the student on the knuckles for cheating on the exam.
اضطر المعلم إلى توبيخ الطالب لغشه في الامتحان.
The manager rapped him on the knuckles for being late to the meeting again.
وبخه المدير لتأخره عن الاجتماع مرة أخرى.