1. tbd -- to be determined 待确认


The decision is tbd since we still need some critical information.
结论还未作成，因为我们还欠缺一些关键的信息。

2. FYI -- for your information 供你参考；顺道一提（通常 FYI 会用大写）


FYI, （...） is an incredibly informative website.
给你参考一下，（......） 是个有非常多信息的网站。

3. rsvp -- please reply 请回覆


The conference meeting is set, rsvp by tonight.
会议已经确认好了，请在今晚回覆这封邮件。

＊补充＊

rsvp 目的是邀约宾客的主人，希望你能够礼貌性地回覆是否参加。这个字的原意是来自法国的 répondez s’il vous plaît ，也就是请你回覆 (please reply) 的意思哦！

4. etc. -- et cetera …等等


It’s strictly prohibited to put the following items in the carry-on baggage: liquid, guns, sharp objects,etc.
乘客们被禁止在背包里携带下列几种物品。（液体类、枪枝、尖锐物品、等等）

5. Q&A -- questions and answers 有问有答



Taylor Swift is having a live Q&A with her fans on Facebook.
泰勒斯正在脸书上和她的粉丝们进行有问有答直播。

6. fwd / fw -- forward 转寄


Since this e-mail is highly confidential, don’t fwd to other people.
因为这封邮件是最高机密，所以请不要转寄给其他人。

7. cc -- carbon copy 副本


CC means the recipients who are not directly relevant to the information but to be aware of the content they received.
副本意指「知情信件内容但又没有和他们有直接关系」的收件者。

8. asap -- as soon as possible 尽快；越快越好


Please fill out this survey and have it signed asap.
请尽快把这份问卷调查填好并签上名。

9. ttyl -- talk to you later 晚点聊


I have to prepare for my business presentation tomorrow, so ttyl.
我得准备明天的商业演讲了，晚点再聊。

10. afk -- away from keyboard 不在；不在位子上


I have to be afk for a meeting and will be back in 30 minutes.
我等会儿有个会议，会有30分钟不在位子上。

知识小拓展
【聊天常用缩写】

thx=thanks;
g2g = got to go;
brb = be right back;
bbl = be back later;
w8 = wait;
l8er = later;
cya = see ya (later);
nvm = nevermind;
nm = not much;
gl = good luck