腹はら汚ぎたない

i-adjective

black-hearted; nasty; mean-spirited

Describes a person's character as fundamentally malicious, underhanded, or spiteful. Often used to criticize someone's hidden ill intentions.

• 彼かれは腹はら汚ぎたない手てを使つかってライバルを蹴け落おとした。

  He used underhanded tactics to bring down his rival.

• あの