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B1 · Grammar reference · ASG06EA8

Expressing "all at once" with "yixiazi"

一下子 (yīxiàzi) can be used as an adverb, meaning "all at once." Because it inherently encompasses a sense of "completion," it's typically going to be followed by a 了 (le) later in the sentence.

Structure

Subj. + 一下子 + Predicate + 了

Subj. + 一下子 + 就 + Predicate + 了

Keywords
一下子 · 了 · all at once
Used for
Expressing duration · Describing actions
Classification
Adverbs · HSK0

Examples (10)

天气一下子变冷了。

他一下子吃了三碗米饭。

她下楼的时候一下子摔倒了。

我们说话的时候,她一下子哭了。

她上个月一下子瘦了很多。

老师进来以后,大家一下子就安静了。

听他说完,我一下子就明白了。

他是最高的,我一下子就看到他了。

拍完那部电影,他一下子就出名了。

看到那张照片,我一下子就想起来了。

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Full explanation at AllSet Learning

Summary, structure, classification, and adapted sentence examples draw from the AllSet Learning Chinese Grammar Wiki under CC BY-NC-SA 3.0; changes were made. This noncommercial reference is based on an October 2023 snapshot.

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