talk the hind leg off a donkey

例句：

1. 1. They often talk about their hobbies during lunch breaks.
   他们经常在午休时谈论他们的爱好。
2. 2. The teacher was talking to the students about the importance of learning.
   老师正在向学生讲解学习的重要性。
3. 3. He talked for hours about his new job and how it would change his life.
   他谈了几个小时关于他的新工作以及这将如何改变他的生活。