We were crawling around on all fours.

我们匍匐着四处爬行。

《牛津词典》

She crawled on all fours over to the window.

她匍匐着爬到窗边。

《柯林斯英汉双解大词典》

Afraid that in her unclear state of mind she might fall off the rock to her death, Grant climbed on all fours up a tight, narrow path by digging into the earth with his fingers and feet until he reached Paula.

担心她在神志不清的状态下会从岩石上掉下来摔死，格兰特手脚插入泥土，四肢并用地沿着一条狭窄的小路往上爬，一直爬到宝拉身边。

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"Watchmakers spend a lot of time on all fours, " says Journe, who doesn't seem to mind.

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Nor did he walk, preferring to scamper on all fours, picking the pockets of courtiers and stealing kisses.

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There are dog-like creatures that gallop around on all fours while still managing to somehow shoot pistols at you.

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