How to turn Putonghua into humorous words

Sometimes repetition is a joke! The key is that you should see more, know more and keep a clear head. take for example

A pair of couplets was posted in a female dormitory of a university: Today's girl, tomorrow's successful woman. A boy copied it and posted it at the door of the dormitory: today's young girls, tomorrow's successful women.

You can't think until you know it, and you can only do it if you think about it.