The house looked as if it was about to fall down.

房子看起来好像就要倒塌似的。

《牛津词典》

Don't fall down again today.

今天别再跌倒了。

youdao

The house will fall down.

那屋子迟早要倒塌。

youdao

People in the area saw him fall down.

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The first step to insight is to ask questions like why do things fall down and not up?

起初的洞察力是问问题,为什么物体坠地而不是上升？

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And you know, that's tough for them but you know what, if you fall down,

对他们来说很难，但是如果你摔倒了，

不要放弃 - SpeakingMax英语口语达人

They want her to fall down but they don't to be seen tripping her up.

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And it's much tougher to move back up the list than to fall down.

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That means if you fall down to the snow you are still 16 feet above the ground!

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