People get cold feet. They get a space heater.

人们会手脚冰凉，于是买了小型供暖器，把它插在双交叉的延长线上。

youdao

I began to get cold feet, but the other two guys were totally positive .

我开始动摇，可其他两个人却深信不疑。

youdao

Even fearless celebrities get cold feet when they step onto the red carpet.

一旦踏上红毯，即使是那些见惯世面，无所畏惧的名流们也会感到紧张。

youdao

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

VOA: special.2009.12.13

You are likely to get cold feet about being president when you understand the situation.

VOA: special.2009.12.13

They say it takes some training. And there can be risks, like running when your feet are too cold to feel if you get injured.

VOA: special.2010.02.03

That reduces the cancellation rates even if prices fall or buyers get cold feet.

WSJ: Deal of the Week: A High-Rising Exposure

But Greece's official creditors have their own reasons to get cold feet about another rescue package.

ECONOMIST: Rescuing Greece

But Gerald has an intricate system to ensure he doesn't get cold feet.

BBC: Bristol - Keeping a giraffe warm in winter