Definition
Describes a situation where one is guaranteed to benefit regardless of the outcome.
怎么样都是我赢，你输（形容局面对自己有利）
The agreement is a case of 'heads I win, tails you lose' for them; they profit no matter what.
这份协议对他们来说就是『我赢定了，你输定了』的情况；无论如何他们都能获利。
The conditions he proposed were a 'heads I win, tails you lose' situation, extremely unfair to us.
他提出的条件就是『我赢定了，你输定了』的情况，对我们极不公平。
When you have all the power, you can create a 'heads I win, tails you lose' system.
当你拥有所有权力时，你可以创造一个『我赢定了，你输定了』的系统。