hobby horse

noun

1. 热衷谈论的话题
   a subject that sb feels strongly about and likes to talk about
   1. to get on your hobby horse (= talk about your favourite subject)
      谈论自己喜爱的话题
2. 马头长杆玩具；竹马
   a toy made from a long stick that has a horse's head at one end. Children pretend to ride on it.

1. Every man has his hobby horse.
   每个人都有弱点。
2. Schnix: Do you have horse? Have it as Hobby in horse racing!
   你有马吗？以赛马作为业余爱好！
3. No, I don't want to talk to Sam.I can't stand another minute of him riding his hobby horse about invader from space.
   不，我不想同萨姆讲话。我再也不能忍受听他讲来自太空的移居者了，哪怕是一分钟。
4. Since he got his hobby horse on his last birthday, he loves to ride him.
   自从上个生日收到了这个玩具木马，他就经常骑它。