我们可以用短语 whatever floats your boat 来形容“想做什么就做什么，随意”。
- It's your birthday. We can go to the theatre or have a meal in a posh restaurant. Whatever floats your boat.
- Peter is a ladies' man but if you still want to go out with him, fine. Whatever floats your boat!
值得注意的是，表达 to push the boat out 通常用于庆祝活动的语境中，意思是比以往多花钱热闹一下。
- We really pushed the boat out and held Mary's farewell party in one of the most expensive restaurants in town.
