toe the line
顺从规则或纪律
口语·书面·要求服从规则
英文释义
to comply with rules or regulations; to conform to expectations or standards
例句
In this company, you have to toe the line or you'll get fired.
典故来源
源自赛跑或军事训练中选手或士兵脚尖必须踩在起跑线上，后引申为遵守规则。