Alvin and LAwyer the Idiots

Today when walking to the moelc, Alvin and i tried to open an umbrella,
Alvin: no its not like that, see...ai also cannot.
LAwyer: aiya let the pro show you lah....wah lao...
Alvin: aiyo i do i do.
Finally we opened the umbrella, by that time we were under the void deck.
Alvin lifted up the umbrella.
LAwyer: now whats that for?
Alvin: what?
LAwyer: er.. we are under the void deck damn it...
Alvin: actually the rain not big la so no umbrella also can la...
So we walked to the LC without umbrella...
In the LC
Security guard: Ai why you all come in never close the door.
LAwyer and Alvin: oh sorry sorry.
Alvin closed and locked the door.
LAwyer: why lock?
Alvin: nevermind lah!... Wait later the guy say why you lock door i tell you close only why you lock.
LAwyer: haha then die lor.
Security guard: why you lock door i tell you close only why you lock?