A：I don't know how to deal with Jack. He is indeed a trouble maker. He has loused up my business several times.
我不知道怎么对付杰克，他实在是个捣蛋鬼，好几次把我的事情弄成一团糟。
B：You mean Lily's boyfriend?
你是说莉莉的男友?
A：Yeah.
是的。
B：Well, he is a hard case. Everyone would feel headache about him.
哦，他是个难对付的人，每个人都对他感到头疼。