grass on sb Meaning in the Cambridge English Dictionary
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Meaning of “grass on sb” in the English Dictionary

"grass on sb" in British English

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grass on sb

UK slang
phrasal verb with grass uk   /ɡrɑːs/  us   /ɡræs/ verb
If a ​persongrasses on someone ​else, they ​tell the ​police or someone in ​authority about something ​bad that that ​person has done: Dan grassed on them to the ​localpolice.
(Definition of grass on sb from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “grass on sb”
in Chinese (Simplified) 向警方告密, 向警方告发(某人)…
in Chinese (Traditional) 向警方告密, 向警方告發(某人)…
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