The jacket becomes him.
He looks smart in that organdy shirt.
My father looks nice in a three-piece suit, but not in sportswear.
You look good [nice] in red.
He looks really nice with a mustache.
That necktie is not suitable [appropriate] for this occasion.
Her hat matched her dress well.
For a child, she is very good at singing the blues.
It is unlike you to speak ill of another person.
She seems quite at home singing on the stage.
It is an act 「unworthy of [unbecoming to] a judge.