不ふ正せいの臭におい

expression, noun

smack of evil; whiff of wrongdoing

Used when something seems dishonest, corrupt, or morally questionable; often implies a suspicion rather than proven guilt.

• あの政せい治じ家かの行こう動どうには不ふ正せいの臭においがする。

  There's a whiff of wrongdoing in that politician's actions.

• この取とり引ひきには不ふ正せいの臭においを感かんじる。

  I sense something fishy about this deal.