listen in

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. listen quietly, without contributing to the conversation (Freq. 1)
• Hypernyms:
listen
• Verb Frames:
- Somebody ----s
2. listen without the speaker's knowledge
- the jealous man was eavesdropping on his wife's conversations
• Syn:
eavesdrop
• Derivationally related forms:
eavesdropper (for: eavesdrop)
• Hypernyms:
listen
• Hyponyms:
wiretap, tap, intercept, bug
• Verb Frames:
- Somebody ----s
- Somebody ----s PP