noun
worried look; anxious expression
Describes a facial expression that shows worry or anxiety. Often used with verbs like する or 浮かべる.
彼は不安顔で試験の結果を待っていた。
He waited for the exam results with a worried look.
母は不安顔を浮かべて、電話を切った。
My mother hung up the phone with an anxious expression.