by a long chalk
明显地或大幅地胜过其他人或事物；远远优于其他人或事物
口语·强调显著差距或优势
英文释义
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.
典故来源
源自英国酒吧用粉笔记录欠账，长粉笔线表示大额欠款，引申为‘远远超出’之意。