붕

1. with a humming sound
A word imitating the sound made when such big insects as bees fly.

2. (no equivalent expression)
A word imitating the sound made when contained air or gas leaks through a narrow space.

3. with a honk
A word imitating the sound made when a car, ship, etc., honks once.

4. up in the air
A word describing one's body, etc., rising into the air.

5. in vain
A word describing something disappearing before your eyes despite all contrary efforts.