grass up

动词 v.
中文释义

英文释义

动词 v.
  1. To betray by informing on. UK,slang
    — My sister grassed me up to the caretaker! She thought she was doing me a favour — by grassing me up she was sure he'd let me off.

词形变化

grasses up present,singular,third-person grassing up participle,present grassed up participle,past grassed up past

词源

From grass (“informer”) + up.
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