used to show you are annoyed when someone has done something you are unhappy about or has failed to

中文解释

（表示恼怒）多谢你干的好事，不劳你费神；（用作反话）多谢你的帮助 \"I told Dad you\'d love to wash his car.\" \"Thanks a lot.\" “我告诉爸爸你愿意帮他洗车。”“多谢你干的好事。”