egghead, hahah you're pulling my leg!
shiaulin, problem is that was literal translation LOL!
maria, 你还蛮有想象力呵!
jazzmint, yeah lor...
mamabok, funny but he can be quite stubborn! heheh...
dsaint, my boy explained already mah... :P
lrong, hahah... if in japanese the train will become 'electric car' ;)
I think Einstein also made his mother cry with the same question... LOL!