2overstep the markOFFENDto offend someone by doing or saying things that you should not do or say 言行过分
She overstepped the mark and lost her job.
她的言行太过分,结果丢了工作。
Examples from the Corpus
overstep the mark• Helen shrugged; she felt mildly embarrassed, as if she had overstepped the mark.• In either case an agent trying to influence Fontaine may have overstepped the mark.• The preacheroverstepped the mark when he called the RoyalMail to a halt on the moor near Bagshot.