Idiom of the Day – “Have your Cake and Eat it Too”
If someone wants to “have their cake and eat it too,” they want everything their way. It sometimes suggests that someone is not willing to compromise even when conflicts exist. This expression is often used in the negative: “you can’t have your cake and eat it too”
Example: If you want a senior consultant to work here, you must pay the salary she demands. You cannot have your cake and eat it too.
An expression with a similar meaning is: “You can’t have it both ways”
Another expression is “a piece of cake.” This means that something is easy to do: That spreadsheet was easy. Piece of cake!