knock yourself out
US /nɑk jərˈsɛlf aʊt/
UK /nɑk jərˈsɛlf aʊt/
1.
fique à vontade, vá em frente
used to tell someone that they can do something if they want to, even if you think it is not a good idea or will not be successful
:
•
You want to try to fix the car yourself? Sure, knock yourself out!
Você quer tentar consertar o carro sozinho? Claro, fique à vontade!
•
If you think you can finish all that work by yourself, knock yourself out.
Se você acha que pode terminar todo esse trabalho sozinho, fique à vontade.