The "six" in the expression comes from the six feet that make up a fathom which is a little less than two meters.

VOA: special.2009.05.24

He would be consumed with the consideration of whether to bury it here or whether to bury it there -- or should he bury it two feet under, or maybe he should bury it six feet under?

他会一直想把它埋在这里还是那里,或者埋两英尺还是，六英尺？

耶鲁公开课 - 弥尔顿课程节选

If you took out somebody's cortex and flattened it out, it would be two feet square, sort of like a nice--like a rug.

如果你取出某人的大脑皮层,把它摊开,会有两平方英尺那么大,有点像一张地毯

耶鲁公开课 - 心理学导论课程节选

The "six" in the expression comes from the six feet that make up a fathom -- which is a little less than two meters.

VOA: special.2011.03.06

and tries to marshal in the process of working his will in the world, to make his way in it, to earn his living, to stand on his own two feet.

在完成这世上他的意志的时候他也试图整理，用这种方式生活，自食其力。

耶鲁公开课 - 现代诗歌课程节选

Down two and a half. Kicking up some dust. Thirty feet.

VOA: special.2009.07.15

What that is, is an organ pipe of the type of organ that we have over in Woolsey Hall, thirty-two feet tall, this gigantic sound of down there so that's what he's trying to set up.

这是一种管风琴,梧希音乐厅就有,三十二英尺高,巨大浑厚的低音,正是施特劳斯努力展现的

耶鲁公开课 - 聆听音乐课程节选

Two standing ordersin this platoon... 1... take care of your feet, 2... try not to doanything stupid, Like gettingyourself killed.

VOA: standard.other

Or rather, does he have two or not two socks on his feet?

或者他有没有两只袜子？

哈佛公开课 - 计算机科学课程节选

It was about four feet by two-and-a-half feet.

长约四英尺宽约两点五英尺。

耶鲁公开课 - 旧约导论课程节选