下不为例英文

this is the last time昨天老外老板看到我胡子没刮对我说的...

Not again!金山词霸里的不一定是最好的。how about "only this time"?

not to be taken as a precedent我的决定下不为例.My decision should not be taken as a precedent.

It won't happen again

It's the last time

It won't happen againJust this onceNot to be repeated 其实要看语境再用不同的表达，并不是一种表达可以用在所有的句子和语境中。有的自己说下不为例，有的是被要求下不为例。I promise/hope that it won't happen again.

Just this once.