"you cannot have your cake and eat it" in Chinese (Traditional)
Definition
不能同時享有兩個互相矛盾的好處；你若用掉一樣東西，就不可能還擁有它。用於某人想同時擁有兩個不可能共存的東西。
Usage Notes (Chinese (Traditional))
這是句常用諺語，用於勸人不要既要又要，特別是對現實要求過高時。常用於選擇或取捨的話題中。
Examples
You cannot have your cake and eat it if you want to spend money and save it at the same time.
你如果想一邊花錢一邊存錢，**魚與熊掌不可兼得**。
He wants to work less but earn more — well, you cannot have your cake and eat it.
他想工作少但賺更多——**魚與熊掌不可兼得**。
You cannot have your cake and eat it if you refuse to compromise.
如果你不願妥協，**你不能既要蛋糕又要喫蛋糕**。
Look, you cannot have your cake and eat it. Sometimes you have to choose one or the other.
你看，**魚與熊掌不可兼得**。有時候你必須做出選擇。
I know you want both weekends free and extra pay, but you cannot have your cake and eat it!
我知道你想週末休息還多拿薪水，但**魚與熊掌不可兼得**！
Everyone dreams of balance, but sometimes you cannot have your cake and eat it — you have to give up something.
每個人都想要平衡，但有時**你不能既要蛋糕又要喫蛋糕**——你必須放棄一些東西。