下不为例的英文：
[Literal Meaning]
next/not/be/example
There should be no such example next time.

[解释]
例：先例。下次不可以再这样做。

[Explanation]
not to be taken as a precedent

[例子]
这一次我就不追究你的责任了，但我希望下不为例。

[Example]
This time I will not investigate your responsibility, but I hope you will not do it again.

[英文等价词]
not to be repeated

Warning,esp one given to sb who has committed a minor crime,that further action will be taken if he commits it again
警告(尤指某人已犯轻罪,下不为例)