A: I think teaching is so boring.
A: The children always twist your tail.
B: I don't think so. I think they are so lovely.
twist one’s tail：故意淘气让人发火，做一些惹人生厌的事情
e.g. If his behaviour is annoying you, leave him to me——I'll twist his tail for him.
e.g. She had never taught at a school before and the children found it very easy to twist her tail.