rat on
中级 (B1) informal
To tell someone in charge (like a teacher, boss, or police) about something bad another person did — especially someone you were supposed to be loyal to.
"He ratted on his partners to the police in exchange for a lighter sentence."
在语境中听
Chris Walley and Alex Murphy look back on The Younger Offenders - BBC
BBC · 7:34
Rat on your cage.
Interviewing a Prison Escapee ON THE RUN
Alhan FM · 25:33
Did he rat on you?
Resurrection Ertugrul - Season 2 Episode 16 (English Subtitles)
TRT Drama English · 31:07
...do you want me to rat on, my husband, your son?
Millions of JS devs just got penetrated by a RAT…
Fireship · 3:14
that runs some JavaScript code to install the rat on your machine.
Stanford Neuroscientist: Can’t Remember Your Dreams? Your Brain May Be Warning You!
The Diary Of A CEO · 24:39
If you stick the rat on the wheel and it's doing physical exercise,