词典释义：
释义
without warning; suddenly
突然
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all at once the noise stopped .突然，吵闹声停止了。
双语例句
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I feel terribly sleepy all at once.
我突然觉得很困
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All at once she lost her temper.
她突然大发脾气。
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She paid me in dribs and drabs, not all at once.
她一点一点地付给我钱，而不是一次付清。
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All at once there was someone knocking on the door.
突然有人敲门。
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Mary thought of something all at once.
玛丽突然想到了一件事。
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All at once he had realized something to the full.
突然，他完全明白了一件事。
近义词
百科
《All At Once》是由美国歌手Whitney Houston演唱的一首歌曲。由Michael Masser作曲，由 Jeffrey Osborne作词。收录于Whitney Houston1985年1月1日发行的专辑《All At Once》中。
all at once，日本男子组合。 2021年10月26日，发行与赖美云合唱的单曲《星合》。
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So just in with the fish fillets. All in at once, then? Yeah, all at once.
将鱼肉块下锅。全都放进去吗？是的，全放进去。
《Chinese Food Made Easy》《中餐速成》
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Well, it's too much money, you can't ask for that all at once.
这要求的款项太大笔了，你不能一次要这么多。
《The Big Bang Theory Season 11》《生活大爆炸 第十一季》
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Long ago, I had a brother. Oogway had a brother? In arms. In arms, sorry. He says brother in arms. Can't you just unroll it all at once?
很久以前，我有一个兄弟。乌龟竟然有兄弟？战友，是战友，抱歉，他写的是兄弟般的战友。你就不能一次性展开卷轴吗？
《Kung Fu Panda 3》《功夫熊猫3》
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Sometimes things happen that are hard to understand. Life often feels so difficult and complicated, it's too much to take in all at once.
有的时候会发生难以理解的事。生活似乎非常困难复杂，难以一下全部接受。
《Principles for Success》《成功的原则》
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So, don't expect the clarity to come all at once to know your purpose right away, but what became clear to me was that I was here on earth to use television and not be used by it.
因此，不要指望能即可明晰所有的事，不要指望能即刻认清自身的志向所在，但当时我清楚地知道，我在利用电视，而不是被电视所利用。
《Oprah Winfrey Speech at Harvard》《奥普拉演讲》