inform on

US /ɪnˈfɔːrm ɑːn/
UK /ɪnˈfɔːrm ɑːn/
"inform on" picture
1.

يبلغ عن, يخبر عن

to give information to the police or other authority about someone's illegal or wrong activities

:
He decided to inform on his accomplices to get a lighter sentence.
قرر أن يبلغ عن شركائه للحصول على حكم أخف.
Are you going to inform on your friend for cheating?
هل ستبلغ عن صديقك بسبب الغش؟