tip off

Từ điển WordNet v3.1 - WordNet Dictionary

verb

give insider information or advise to
- He tipped off the police about the terrorist plot
• Syn:
tip
• Derivationally related forms:
tip (for: tip), tip-off
• Hypernyms:
rede, advise, counsel
• Verb Frames:
- Somebody ----s somebody
- Something ----s somebody
- Somebody ----s somebody to INFINITIVE
- Sam cannot tip off Sue