I was hit by a falling stone.

我被一块坠落的石头击中。

《牛津词典》

The falling stone missed my head.

那块落石没打中我的头。

youdao

He received a heavy blow on the head from a falling stone.

一块落下的石头重重地打在他的头上。

youdao

instead of a stone dropping, nowadays there's a monkey that's falling down.

现在就不是丢石头了,而是有只猴子掉下来了

耶鲁公开课 - 基础物理课程节选

Reuters reports that the population of Japan is falling like a stone.

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If the homes all around you are headed to foreclosure and prices are falling like a stone, lenders will be eager to cut their losses and agree to a short sale.

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One initial stone sets off a cascade of falling economies.

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