一ひと皮かわむく

expression, godan verb (-ku)

to peel off a layer; to strip away a veneer

Literally means to peel off one skin or layer. Often used figuratively for revealing someone's true nature or removing a superficial covering.

• 彼かれの優やさしい仮か面めんを一ひと皮かわむけば、冷れい酷こくな性せい格かくが見みえる。

  If you peel off his gentle mask, you can see his cold-hearted nature.

• その政せい治じ家かのきれいごとを一ひと皮かわむくと、汚お職しょくが明あきらかになった。

  When the politician's fine words were stripped away, corruption came to light.