But there is an expression to get cold feet that has nothing to do with cold or your feet.

VOA: special.2009.12.13

In Philip's case, we ask the question, does he have zero or none zero socks on his feet?

在飞利浦这个例子中，我们就需要判断，他的脚上有没有袜子？

哈佛公开课 - 计算机科学课程节选

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

Rock walls made of wood or concrete have places for the climber's hands and feet.

VOA: special.2009.12.09

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

Or,at least move your legs and feet.

VOA: special.2009.07.14

The shield itself, as I've told you is made of a heavy wood, covered by a leather or bronze sheet about three feet across, something in the neighborhood of 16 to 20 pounds worth of shield and gripped as I told you before.

而盾牌,就像我说过的,是由沉重的木材制成,上面包裹有皮革或铜皮,约三英尺宽,大概是十六到二十磅重,就像我刚才所说的,拿起来很费劲

耶鲁公开课 - 古希腊历史简介课程节选

In this case, the basic column of air is twelve and a half feet long and there are something called "Partials" or the "Harmonic series" That happens in anything, on a string instrument or whatever, but on the horn it's very distinct and that's what makes the different notes.

像这样,基本空气柱有十二个,每个半英尺长,圆号能发出分音,或泛音列,弦乐器或是,其他别的乐器中都有,但在圆号上,效果相当不同,这就是它能奏出不同音符的原因

耶鲁公开课 - 聆听音乐课程节选