You can't have your cake and eat it too
You cannot enjoy two good things when having one means giving up the other.
English
You can't have your cake and eat it too
Tiếng Việt
Được cái này mất cái kia.
Không thể vừa muốn cái này vừa giữ cái kia.
Examples
- You want a manager's salary and an intern's hours — you can't have your cake and eat it too.
- She wanted to travel constantly and never miss a weekend at home, but you can't have your cake and eat it too.