toe the mark

toe the mark

 and toe the line
Fig. to do what one is expected to do; to follow the rules. You'll get ahead, Sally. Don't worry. Just toe the mark, and everything will be okay. John finally got fired. He just couldn't learn to toe the line.
See also: mark, toe
References in classic literature ?
You's every one on ye got to toe the mark, I tell ye; quick,--straight,--the moment I speak.
You may have very good reasons for forgetting your name, and I'll like you none the worse for it as long as you toe the mark.
Romney's family instills the values of hard work and excellence with parents committed to ensuring that their children toe the mark.