listen : Idioms & Phrases
listen in
-
verb listen quietly, without contributing to the conversation
-
verb listen without the speaker's knowledge
eavesdrop.
- the jealous man was eavesdropping on his wife's conversations
WordNet
listening watch
-
noun a watch established for the reception of traffic of interest to the unit maintaining the watch
continuous receiver watch.
WordNet
To listen after
- to take an interest in. Obs.