下不为例

This is the only time we have consented to anything like that.

这类事我们只同意这一次,下不为例.

My decision does not constitute ( ie should not be regarded as ) a precedent.

我的决定下不为例.

Today is a special case. I won't do it again.

今天特殊么,下不为例.

You have my personal guarantee that this was an isolated incident that will not be repeated.

我亲自向您保证,这是单一事件,下不为例.

I'll forget about it this time , but it mustn't be repeated.

这次的事就算了,下不为例.

OK, just this once.

好吧, 下不为例.

It must be clearly understood that , in so doing, we are not establishing a precedent.

必须明确理解, 我们这样做是下不为例的.

We have to know what happened ; why it happened, so it won't happen again , Cornyn said.

我们必须知道,发生了什么?为什么发生?这样才能下不为例.

Come, now, make an effort. I'll help you to your bed for once.'

好了, 使把劲, 我扶你到床上去,就这一次,下不为例. ”

When he come home drink again , she read him the riot act.

他又一次醉醺醺地回到家里, 她立刻警告他下不为例.

Fine, but just this once.

好吧, 但下不为例.

I will overlook your this time . But just this once.

这次我宽怒你的过失, 但下不为例.