What jokes can only be understood if you know English and Chinese?

I used to play a game in an English training class of an institution. The teacher gives a word, please describe it in English on stage, and then guess. The word is randomly generated by a board game platform on the mobile phone, and it is Chinese. But it needs to be described in English. When it was my turn, three big characters popped up on my mobile phone: career line. The embarrassment of capitalization. The teacher is a beautiful little sister, smiling while covering her mouth. If this car drives, how can I maintain my image as a science man in man show? So I thought about it, reached out and pointed to my palm and said to everyone, "We have three lines in our hands, one is called love line and the other is called lifeline. So the last one is ...? "Impressed by your wit.