老师经常用到的英文缩写～ =3=

afaik  as far as i know
asap  as soon as possible
b4     before
b4n   bye for know
brb   be right back
btw   by the way
cmi   call me
f2f    face to face
jk     just kidding
kit    keep in touch
lol    laughing out loud
np    no problem
plz4gvme   please forgive me
ruok  are u ok?
w84me   wait for me
wru    where are u?