overstep
verb [ T ] uk/ˌəʊ.vəˈstep/ us/ˌoʊ.vɚˈstep/ -pp-
超越，逾越（可以接受的或正确的限度）
to go further than what is considered acceptable or correct
The bad language in that show overstepped the limits/boundaries of what should be allowed on television. 那部电视剧里不雅的语言超出了电视上可允许的限度。
I think you're overstepping your authority. 我认为你越权了。
Idiom
overstep the markidiom （行为）越轨，出格
to behave in a completely unacceptable way
You've overstepped the mark this time, Simpson - you're fired! 这一次你的行为太过分了，辛普森——你被解雇了！