如果当某人被告知要 toe the line 那么就是要他服从命令，遵守规定。

例句

Although Mark disagreed with his manager about some things, he decided to toe the line because he wanted a promotion.

If you want to get good grades you need to toe the line and do what your lecturer says.

请注意

另一个短语 to step on someone's toes 的意思是触及他人权利范围，管别人的事。

例句

I don't mean to step on your toes as I know this is your project, but we really need to move it forward today. Can I give you some help?

You realise you'll be stepping on her toes if you order the cake. It's her wedding and she wants to do everything.