ばけのかわがはがれる
化けの皮が剥がれる
to betray oneself; to reveal one's true colors; to show the cloven hoof; to throw off the mask; to give oneself away
N3Expression
Expression, Ichidan verb
to betray oneself•to reveal one's true colors•to show the cloven hoof•to throw off the mask•to give oneself away