冷不防

wǒ lěng bu fáng shuāi le yī jiāo

我冷不防摔了一跤。

I fell unexpectedly.

tā lěng bu fáng gěi le wǒ yī quán

他冷不防给了我一拳。

He hit me without warning.

tā men dǎ le dí rén yī gè lěng bu fáng

他们打了敌人一个冷不防。

They took the enemy by surprise.

tā zài fān tā wū zi shí lěng bu fáng bèi tā zhuàng jiàn le

她在翻他屋子时，冷不防被他撞见了。

He came upon her unawares when she was searching his room.

wǒ men yào lěng bu fáng tū xí dí rén

我们要冷不防突袭敌人。

We should catch the enemy unawares.

nǐ zhè lěng bu fáng cóng bèi hòu guò lái zhēn bǎ wǒ xià dào le

你这冷不防从背后过来，真把我吓到了。

You scared me out of my mind, coming up behind me suddenly like that.

yǒu yī liàng qì chē lěng bu fáng chōng chū lai xiǎn xiē zhuàng zhe wǒ

有一辆汽车冷不防冲出来，险些撞着我。

A car suddenly shot out and nearly hit me.

chuāng zi dǎ kāi le lěng bu fáng yī zhī māo tàn chū tóu lái

窗子打开了，冷不防一只猫探出头来。

The window opened and a cat's head popped out.

zhè yī dòng shǐ tā lěng bu fáng de xiàng qián shuāi

这一动使他冷不防地向前摔。

The movement took him by surprise, and he pitched forward.