Goodbye. 再见! Bye. 再见! See you. 回头见! I'm off now. 我去了啊。 I have to go. 我得告辞了。 Good luck! 祝你好运! Have a nice day. 祝你愉快! Have a nice weekend. 祝你周末愉快! Good luck. 加油啊!祝你好运! Have fun. 祝你玩得愉快。 Keep it up. 就这样，坚持下去。 Don't work too hard. 别干得太猛。 Have a nice trip. 旅途愉快! Have a good one! 那多保重! I hate to run, but... 真舍不得走，但是……
