http://school.ecp.com.cn/resource/Article_Show.asp?ArticleID=5657ASAP: As soon as possible = 尽快
RSVP: respondez s'il vous plait (法文) = please reply = 请回覆(通常邀请卡会写)
e.g: (这其实不该用大写) exempli gratia (拉丁) = for example = 举例说
i.e.: (还是小写) id est (拉丁) = that is = 就是
etc: (小) etcetera (拉丁) = 等等…
和朋友聊天OK 别在正式信/电邮用
BF: Boyfriend = 男朋友
BTW: By the way = 说起来…
BRB: Be right back = 走开一下, 立刻回来
CU: See you = 再见
DND: Do not disturb = 请勿打扰
FD: Friend = 朋友
FYI: For your information = 供您参考
GF: Girlfriend = 女朋友
IC: I see = 明白了
ILY : I love you = 我爱你
IMHO: In my humble opinion = 依我愚见 (没H便不愚)
J/K: Joking = 开玩笑
LOL: Laughing out loudly = 大声笑
NOYB: None of your business = 不关你事
OIC: Oh, I see = 哦, 明白了
OMG: Oh my God = 天啊
PLS: Please = 麻烦你
ROFL: Rolling on the floor laughing = 笑的滚在地上
TGIF: Thank God it’s Friday = 感谢主这是星期五
THX/TKS: Thanks = 谢谢
TTUL: Talk to you later = 晚些再谈
TY: Thank you = 谢谢
WB: Welcome back = 欢迎回来
http://www.pass100.net/waiyu/siliu/zhidao/2006043030391.html