by a long chalk
明顯地或大幅地勝過其他人或事物；遠遠優于其他人或事物
口語·強調顯著差距或優勢
英文釋義
by a considerable amount; by a large margin
例句
He is the best player on the team by a long chalk, no one else comes close.
典故來源
源自英國酒吧用粉筆記錄欠賬，長粉筆線表示大額欠款，引申為‘遠遠超出’之意。