playing with coffee, the word coffee comes from the English word casting, which usually refers to a person who is proficient in a certain field.

People in Taiwan Province say that you are an addict in a certain field. It probably means that you have something worthy of praise and respect in this respect. The so-called playing coffee means that you are a very good player. In terms of feelings, this word refers to an attitude that treats feelings only with enjoyment and does not want to be responsible. That is to say, it is equivalent to the player in the western concept, just treating feelings as a game, just playing and never thinking about being together for life.