まゆにつばをつける
眉に唾をつける
to keep one's wits about one; to be on one's guard; to be wary of trickery
N3Expression
Expression, Ichidan verb
to keep one's wits about one•to be on one's guard•to be wary of trickery
to keep one's wits about one; to be on one's guard; to be wary of trickery