澳洲匯錢到香港戶口

All banks in australia offer "electronic telegraphic transfer" (T/T) eg. ANZ bank, National bank, Commonwealth bank (CBA), Westpac bank, Bank of queensland, Adelaide bank etc.........
Anz and CBA charge AUD $30 for each transfer and there is no limit
For Commonwealth bank, You can do the transfer through netbanking yourself cost $22 AUD for each transfer and there ia a limit of AUD$10000 per day

Ask them to directly credit the money into your HK AUD saving account and ask Australia Bank not to convert AUD dollar into HK dollar (but some hk banks will charge you hk$30 for doing this)

Money will arrive within 2 days