also: ききわけがよい
expression, i-adjective (yoi/ii class)
reasonable; obedient; willing to listen
Describes a person, especially a child, who listens to reason, follows instructions, or accepts what they are told without fuss.
うちの子は聞き分けがいいので、あまり叱らなくて済む。
Our child is obedient, so we don't have to scold them much.
彼は聞き分けがいいから、説明すれば納得してくれる。
He is reasonable, so if you explain, he'll understand.