wybuchnął v angličtině:

He burst out laughing when he heard this joke for the first time.

Then the one thing he really wanted to know just burst out of him.

I walked in and everyone burst out laughing.

if you burst out laughing or crying, you suddenly start laughing or crying. You can also say that you burst into laughter or tears.

"Don't go!" he burst out.

Everyone burst out laughing when Jimmy arrived wearing a large, white hat

When she burst out, I also burst out.