read (someone) the riot act
US /riːd ðə ˈraɪət ækt/
UK /riːd ðə ˈraɪət ækt/

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.