悪わるい癖くせ

expression, noun

bad habit

A straightforward phrase meaning a habit that is undesirable or harmful. Often used in self-reflection or gentle criticism.

• 爪つめを噛かむのは悪わるい癖くせだ。

  Biting your nails is a bad habit.

• 彼かれは遅ち刻こくする悪わるい癖くせがある。

  He has a bad habit of being late.