[ksec]

If you are working with those small minority then they are not teens anymore. Yes, they work hard to have their child speaking, that is why only half of those minority speaks the language and other half barely use it. I say barely as in they do understand and speak it, but no longer a native tongue and cant describe things without going back to mandarin.

Should have written 80s to 90s. Generally speaking we talk about Fishing village as before all the manufacturing investment going up to China. That was when the whole manufacturing industry in HK moved up north, where north meant across the border to Shenzhen.