We need to settle this once and for all.
我们需要把这事一次解决。
Oh, please, Dad, just this once don't be cheap.
哦，求求你，爸爸，就这一次，别小气嘛。
The judge said, "It is only this once, he will soon have done."
法官说：“就这一次，他很快就会做完的。”
Can't you be nice to each other just this once?
难道你们就不能彼此客气哪怕一次？
M: Well, just this once, come on!
玛：好的，就这一次，来吧！
Do this once, then do it again.
做一次，接着做。
You usually only have to do this once.
您通常只需这样做一次。
Just this once. Iall never ask again.
就这么一次。我不会再这样要求了。
Please. Refill it for me just this once.
但是我还需要，拜托，帮我加满这次就好。
The taste of this once-intellectual Land.
这种品尝原本应该是智慧的乐土。
We knew this once, but now we've forgotten.
以前我们知道这些，但是现在我们忘了。
I fear for the future of this once great nation.
我担心这个曾经伟大的国度的未来。
You shouldn't lose this once in the blue moon chance.
你不该错过这个难得的机会。
As for me, I'm going to finish this once and for all.
对于我来说，我这次要完全解决这个宿怨。
My whole family did this once, and it was very enlightening.
我的全家曾试过一次，的确很有启发。
That this time - please just this once - it will leave without us.
这一次——哪怕就这一次——它将不会丢下我们。
I saw Susur Lee use this once, and it's basically not wasting time.
有一次，我曾看到Susur Lee这样做，而这基本上不会浪费什么时间。
Was she late from work 'just this once' for reasons beyond her control?
她下班晚“只有这一次”是因为一些她不能控制的因素吗？
But in this particular extenuating circumstance, just this once, it's OK.
但这次的情况很特殊，仅仅做这次应该是可以的吧。
We had gone through this once before last year with another one of our cockers.
前年我们也曾有过一次这样的经历，发生在我们的另一只可卡犬上。
Just see me this once, just once and hear me out and you'll never have to hear from me again.
听我说，我向你保证，只要见我这一次，就一次，听我把话说完，我就再也不会来找你了。
It's an extraordinary opportunity for me to learn, explore, and experience this once-forbidden land.
这对我来说，真是个非同寻常的机会，可以让我了解、探索以及体验这片曾经的禁土。
Once opened, this product should be kept refrigerated.
本产品开封后应冷藏。
Once events are safely in the past, this idea seems to become less alarming.
一旦事件稳稳地尘封为历史，这种想法似乎就变得不那么令人惊慌了。
An opportunity like this comes once in a lifetime.
像这样的机会一生也许只会遇到一次。
This book was famous once, but nobody reads it today.
这本书曾名噪一时，但现在却无人问津。
We have to resolve this matter once and for all.
我们必须彻底解决这件事情。
This king once fell very ill--so ill that nobody thought he could live.
这位国王曾经病得很厉害——病得没有人认为他能活下去。
Once this difficulty is overcome, other problems will be easy to solve.
攻下这一关，其他问题就好办了。
Once you modify this file, upload it via RAM.
一旦您修改了这个文件，通过RAM来上传它。
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