bust one's ass

Verb

 * 1)  To work very hard, to put in a lot of effort.
 * 2)  To hurt or beat up.
 * Say that again and I'm going to bust your ass.

Translations

 * Finnish:
 * French:
 * German:
 * Italian: farsi il culo
 * Russian:, , , рвать задницу
 * Swedish: