read (someone) the riot act

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

严厉训斥, 给某人下最后通牒

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.
在他再次违反宵禁后,他的父母决定严厉训斥他
The manager had to read the team the riot act after their poor performance.
在表现不佳后,经理不得不严厉训斥球队