聞き分ける

ききわける

to recognize (by sound); to identify; to differentiate (voices, sounds, etc.); to distinguish

Also written 聞きわける、聞分ける

Meanings

Ichidan verb, Transitive
to recognize (by sound); to identify; to differentiate (voices, sounds, etc.); to distinguish; to tell (the difference) by hearing; to hear the difference (between)
to (listen and) understand; to listen to reason; to be reasonable

私わたしは音楽おんがくを聞きき分わける力ちからがない。

I have no ear for music.
小鳥ことりの声こえを聞きき分わけることが出来できますか。

Can you tell one bird from another by hearing them?
発音はつおんし分わけられない音おとはなかなか聞きき分わけられないから、コミュる気きはなくても発音はつおんは重要じゅうようだよ。あと発音はつおんはつづりを覚おぼえる手掛てがかりにもなるし。

You won't really be able to hear the difference between sounds that you can't distinguish by pronouncing, so even if you don't feel like communicating, pronunciation is important. Pronunciation can also be a hint for remembering how a word is spelled.
しかしながら、未知みちの外国語がいこくごを聞きくとき、我々われわれは異ことなる単語たんごを聞きき分わけることができず、発言はつげんをほとんど休止きゅうしのない音おとの連続れんぞくであると認識にんしきします。

However, when listening to an unknown foreign language, our ability to discern different words is lost, and we recognize speech as being a stream of sounds without many pauses.