Well, I didn't neither, but all at once it popped onto me that it was Friday.

嗯，我也是，但我突然想到今天是星期五。

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But all at once the quiet sea is convulsed again.

但是，平静的大海突然又动荡起来。

novel.tingroom.com

But all at once the noise stopped and again the soft alarm growl vibrated in the air.

但是，喧嚣声突然停止，低颤的警报声声又在空中响起。

dj.iciba.com

Or as someone else put it, you may be able to have it all but not at once.

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First, it will slash the number of its brands from eight to three--maybe not all at once but eventually.

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We don't have to do it all at once, but we've got to get started on it.

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