AAP – Always a pleasure 令人愉快
AAR – At any rate 至少，无论如何
AB/ ABT – About 关于
ABT2 – about to 即将
ACC – Anyone can come 谁都能来
ACK – Acknowledgement 感谢，承认
ADBB – All done, bye-bye 好了，再见
ADD/ ADR – Address 地址
ADMIN – Administrator 管理员
AEAP – As early as possible 尽快
AFAIC – As far as I'm concerned 就我而言
AFAIK – As far as I know 据我所知
AFAIUI – As far as I understand it 就我的理解而言
AFAP – As far as possible 尽量
AH – At home 在家
AISB – As it should be 应当
AISB – As I said before 像我之前说的
AISI – As I see it 我认为
AKA – Also known as 也叫作，又称
ALOL – Actually laughing out loud 正在大声笑
AMAP – As much as possible 越多越好
AMBW – All my best wishes 最好的祝愿
AML – All my love 我全部的爱
AMOF – As a matter of fact 事实是
APP – Application 应用程序
AQAP – As quick as possible 越快越好
ATB – All the Best 一切顺利，万事如意
ATM – At the moment 此刻，当时
ATEOTD – At the end of the day 最后
ASAP – As soon as possible 尽快
AWESO – Awesome 真棒
AYDY – Are you done yet? 你完事了没？
AYEC – At your earliest convenience 尽早
AYOR – At your own risk 由自己负责
AYSOS – Are you stupid or something? 你是傻了还是怎么了？
AYS – Are you serious? 你说真的吗？
AYT – Are you there? 你在吗？
AYTMTB – And you're telling me this because 你跟我说这个是因为
AYW – As you wish 如你所愿
AZN – Asian 亚洲人
B2W – Back to work 回去上班
BF – Boyfriend 男朋友
BG – Background 背景
B4 – Before 之前
B4N – Bye for now 先这样
BAU – Business as usual 正常营业
BBIAB – Be back in a bit 马上回来
BBIAM – Be back in a minute 马上回来
BBIAS – Be back in a second 马上回来
BBL – Be back later 稍后回来
BBQ – Barbeque 烧烤
BBS – Be back soon 很快回来
BBT – Be back tomorrow 明天回来
BCOS – Because 因为
BDAY/ B-DAY – Birthday 生日
BF – Best friend 最好的朋友
BFF – Best friend forever 永远的好朋友
BFFL – Best friend for life 一辈子的好朋友
BFFLNMW – Best friends for life, no matter what 不管怎样都是一辈子的朋友
BFFN – Best friend for now 现在最好的朋友
BHL8 – Be home late 晚一些回家
BIF – Before I forget 在我忘记之前
BION – Believe it or not 信不信由你
BLNT – Better luck next time 祝下次好运
BM – Bite me 怎么招？（不是咬我的意思）
BME – Based on my experience 根据我的经验
BM&Y – Between me and you 你我之间
BN – Bad news 坏消息
BOL – Best of luck 祝你好运
BOYF – Boyfriend 男朋友
BRB – Be right back 马上回来
BR – Best regards 最好的祝福
BRBB – Be right back babe 马上回来，亲
BRNC – Be right back, nature calls 马上回来，去上厕所
BRD – Bored 无聊
BTW – By the way 顺便说一下