AFAIK = as far as I know 据我所知
ASAP = as soon as possible 尽快
BBS = be back soon 很快回来
BFF = best friends forever 死党
BTW = by the way 顺便说一句
DAE = Does anyone else… 还有人……吗?
FYI = for your information 供你参考
IIRC = if I recall/remember correctly 如果我没记错
IMO = in my opinion 我认为
IMHO = in my humble opinion 依我愚见;恕我直言
OP = original post 楼主
OTP = one true pairing 天生一对
TBC = to be continued 未完待续
TBD = to be determined 待定
TTYL = talk to you later 回头聊
TIL = today I learn 今天学到了
AFK = away from keyboard 暂时离开
JK = just kidding 开玩笑
GTG = gotta go 要下线了
GOTDC = got disconnected 掉线了
SUP = what's up 干嘛呢
B4N = bye for now 再见