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!