We huddled together to keep warm.

我们挤在一起来保暖。

《牛津词典》

The children jumped up and down to keep warm.

孩子们上下跳动保持身体暖和。

《牛津词典》

People had to burn these trees to keep warm during harsh winters.

在寒冷的冬天，人们得靠烧这些树保暖。

《柯林斯英汉双解大词典》

The weather is warm. They do not have to wear heavy clothes to keep warm.

VOA: special.2009.06.22

You try hard to keep warm. The days are shorter and darker.

VOA: special.2009.01.26

They will place extra covering around the chest, head and neck of hypothermia victims to keep them warm.

VOA: special.2009.12.30

Stay in your car and keep warm by running the engine as much as you can.

BBC: UK snow and ice continue to disrupt travel

They included a baby and rescuers said they had burned furniture to keep warm.

BBC: Wales weather: Power restored but ice risk remains

The warmly dressed children walk but the others have to run to keep warm.

UNESCO: MEDIA SERVICES