Question

سرت به کار خودت باشه

Answer 1

Mind your own business.

= refrain from meddling in other people's affairs

He was yelling at her to get out and mind her own business. 

Answer 2

This is also a very informal one that I ve heard:

Do your thing

Answer 3

Don't put your nose on my business.

يا ميشه گفت

put/keep your nose out of my business.
 

Answer 4

Mind your own business

Answer 5

Mind your own business.

Comments

-1 as same answer has already been given by  MehdiP

 

Answer 6

get back to your job