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 get cold feet whenever I have to speak in front of a crowd.

每当我必须在群众面前说话时，我都会紧张的手脚发冷。

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

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