1.
to hear
To perceive sound, whether intentionally or not. The sound reaches your ears.
2.
to listen
To actively pay attention to sounds, especially music or speech. 音楽を聞く (to listen to music).
3.
to ask
To ask a question or inquire about something. 道を聞く (to ask for directions).
TRANSITIVITY: 他動詞 (transitive). No pair verb. Pattern: Xを聞く (hear/listen to/ask X) or Xに聞く (ask X [person]).
ASPECT: ている indicates ongoing action. 聞いている = 'is listening' or 'is asking.'
COMMON PATTERNS:
- 音楽を聞く (listen to music)
- 話を聞く (listen to a story)
- 道を聞く (ask for directions)
- 聞いたことがある (have heard before)
Covers hearing, listening, AND asking. 聴く emphasizes careful listening.