The official language is English in Australia if you don't already know. Of course you won't get anywhere without it!
And what are the official languages in hk?
Having lived in China for a number of years and speak mandarin I know what it is like being a minority so you don't need to preach what I do and don't know.
Anyway once you get older and get out from under mummy's skirt you will begin to understand.
Sent from somewhere....