toe the line 遵守规矩
toe the mark 达到标准
A: Is he toeing the line?
A：他在遵守规矩吗？
B: Yes, he is following every rule.
B：是的，他正在遵守每一条规则。
1) 触碰
2) 遵循规则
3) 顺从
1. 遵循（规则、标准等）
verb (present participle)
1. Touching something with the toes, or following the rules or standards.
Synonym: complying, obeying