プログレッシブ和英中辞典(第4版)の解説
きまりわるい【決まり悪い】
be embarrassed [abashed] ((at, by))
みんなの前で転んで決まり悪かった
I fell down right in front of everybody. I was so embarrassed!
会議に遅れて決まり悪そうに部屋に入ってきた
He was late for the meeting and entered the room with 「a sheepish [an embarrassed] look on his face.