When to use to blow in Korean
Korean: 불다[ bul-da ]

When to use it
불다 means “to blow.” We use it when wind moves outside, or when a person pushes air from the mouth, like with candles, hot food, or a balloon. It is a very common everyday action word, and you will often see it as 불어요 in polite speech.
Example sentences
바람이 세게 불어요.
The wind is blowing strongly.
생일 케이크의 촛불을 불어요.
I blow out the candles on the birthday cake.
뜨거운 국을 후후 불어요.
I blow on the hot soup.
풍선을 크게 불어요.
I blow up the balloon big.
호루라기를 불면 모두 모여요.
When I blow the whistle, everyone gather.
버스 정류장에서 찬 바람이 불어요.
A cold wind is blowing at the bus stop.