against the rules 违反规定；犯规；违反规则
We thought cheating was against the rules.
我们认为作弊是违反规定的。
His English offends against the rules of grammar.
他的英语不符合语法规则.

step back 后退；退后；退一步
He doesn't want to step back from the center of things.
他不想退居无足轻重的地位.
It was necessary to step back from the project and look at it as a whole.
有必要退一步，全面地审视一下该项目。