害がいを及およぼす

expression, godan verb (-su)

cause harm; inflict damage; do harm

Used when someone or something causes damage, injury, or negative effects to a person, thing, or environment. Often appears in formal or written contexts.

• その化か学がく物ぶっ質しつは人じん体たいに害がいを及およぼす可か能のう性せいがある。

  That chemical substance may cause harm to the human body.

• 彼かれの行