read (someone) the riot act

US /riːd ðə ˈraɪət ækt/
UK /riːd ðə ˈraɪət ækt/
"read (someone) the riot act" picture
1.

de les lezen, streng toespreken

to reprimand someone severely and warn them to improve their behavior

:
After he broke curfew again, his parents decided to read him the riot act.
Nadat hij opnieuw de avondklok had overtreden, besloten zijn ouders hem de les te lezen.
The manager had to read the team the riot act after their poor performance.
De manager moest het team de les lezen na hun slechte prestatie.