抜ぬからぬ顔かお

expression, noun

shrewd face; knowing look

Rare expression describing a facial expression that suggests cunning, worldliness, or inside knowledge. Often implies someone who is not easily fooled.

• 彼かれは抜ぬからぬ顔かおで、こちらの手ての内うちを見み透すかしているようだった。

  With a shrewd look, he seemed to see right through our plan.