AFAIK   as far as I know 据我所知
a.k.a.   also known as... 别名
ASAP     as soon as possible 尽快
BRB     by right back   我要走了
BTW     by the way   附带说说
BFN       by for now   再见
B4       before     在。。。。之前
CU       see you     再见
CUL     see you later 再联系
EZ       easy           简单
F2F       face to face   面对面
FAQ     frequent asked questions 常见的问题
FOAF     friend of a friend   朋友的朋友
FYI       for your information 供您参考
FWIW   for what it's worth   获取有价值的信息
GA       go ahead   一直往前输（我等着）
GIWIST   Gee,I wish I said that 哇！其实我也想这么说
HHOK     haha only kidding   哈哈 只是玩笑
HTH       hope this helps   希望这能帮上忙
IMO       in my opinion 以我之见
IMHO     in my humble opinion 以我愚见
IMNSHO   in my not so humble opinion 以我个人之见
IOW       in other words 换句话说
ITMT     in the meantime 同时，在此期间