overshoot the mark—do smth. to a greater extent than is necessary or desirable:
- Where have we overshot the mark when it comes to technology, and where have we not yet begun to realize its potential?
overstep the mark—behave in a way that is considered morally or legally unacceptable:
- He appeared like a person who has overstepped the mark, has wounded another’s feelings, or alluded to some subject that were better left unmentioned.