胡う散さん臭くさい

i-adjective

suspicious-looking; shady; dubious

Describes a person, situation, or thing that feels untrustworthy or not quite right. Often used for gut feelings of doubt.

• あのセールスマンはなんだか胡う散さん臭くさい。

  That salesman seems kind of shady.

• 彼かれの言いい訳