悪あく習しゅう

noun

bad habit; vice; evil practice

Refers to a morally bad or socially harmful custom or personal habit. Often used in formal or critical contexts.

• 喫きつ煙えんは健けん康こうに悪わるい悪あく習しゅうだ。

  Smoking is a bad habit that harms your health.

• その村むらでは古ふるい悪あく習しゅうがまだ残のこっている。

  Old evil practices still remain in that village.