expression, i-adjective
look pale; look unwell
Describes someone's complexion as pale or sickly, often implying poor health or fatigue.
彼は顔色が悪いけど、大丈夫かな。
He looks pale; I wonder if he's okay.
昨日から顔色が悪くて、食欲もない。
I've been looking pale since yesterday and have no appetite.