1) FYI = For Your Information 让你知道一下

　　Just an FYI. I'll be out of town next week。

　　Uh.. hey.. FYI... You have something on your face!

　　FYI, the party starts at 8 tonight!

　　2) TMI = Too Much Information 你说太多了！

　　- I am stinky! Time for a shower!

　　- 白洁！ TMI!! Just go take a shower!

　　- This food got moldy.. Ew.. look! Smell it!

　　- Ew, 白洁！ TMI!! Just throw it away!

　　3) BRB = Be Right Back 马上回来！

　　I gotta go to the store! BRB!

　　BRB! I'm gunna go pick up some pizza for dinner!

　　Ok, I'll go make some coffee for the meeting, BRB!

　　4) LOL = Laugh out Loud 大声笑(一般不说，而是用于打字或发短信)

　　LOL! That guy looks so funny!

　　LOL! That puppy is so cute!

　　You look so funny in those glasses! LOL!