[nuǎn huo]

The room became warm when the fire got going.
爐子一著， 屋里就暖和了。

It's getting warmer day by day.
天氣越來越暖和了。

Have a cup of coffee to warm yourself up.
喝杯咖啡暖和暖和吧!

Come and warm yourself, Aunt Yang.
楊大娘， 過來暖和暖和。