1.再见
避免：
Bye bye！ // 这是小孩子说的一种幼稚的说法，应避免.
常用语句:
Goodbye！
see you （later）！
see you around！
have a good day！
have a good one. // 今天过得愉快
hope to see you again！
2.巧妙的中断聊天：
excuse me for a minute，i will be right back.
well，i should be going，or i will be late for work.
well，i won't bother you any more.
ok，i won't take up any more of your time.
i should go say hi to my friend.
i should get back to my work.
i should let you get back to work.
i really enjoyed our chat.
it was great to talk to you today.
i had a great time talking with you，but i need to get going or i will be late.
let me give you my email address.
feel free to call me，if you want to hang out. here, i will give you my number.
do you have wechat ?
can i add your wechat ?
can i get your phone number
keep in touch !
let's go for a coffee sometime.
i'd love to show you some cool places, i will call you, ok.
are you free next week.
do you have time on weekend.
say hello to your parents for me.
give your family my love //通俗的说,比较好的朋友之间
3.送行
避免：
walk slowly ! //中式英语
常用:
take care
look after yourself
4.表示感谢
避免:
No, Thanks ! // 表示不用了，谢谢的意思，不需要别人的帮助的意思
常用：
thanks // 谢谢
thank you // 谢谢你
thanks a lot // 十分感谢
thank you very much // 非常感谢
thanks a million // 万分感谢
thank you anyway //不管怎样，还是感谢你
i owe you one // 我欠你一个人情
i definitely owe you a favour
thank you for your help
委婉的表示
i really appreciate everything you have done
i do not know how to thank you
i really can not find the words to express my thanks
常用回答:
your are welcome
do not mention it
my pleasure
5.表示歉意
sorry
sorry i am late
i am sorry to trouble you
i really
