For me, trying to be fluent in two languages is really challenging and I don't know how he manage three so well (I assume his still speaks fluent French

http://www.youtube.com/watch?v=kL-MriW6 ... re=related
I find a lot of Youtube clips show native English speakers speak fluent Mandarin, but very few clips the other way round? This may be because Youtube is banned in China and not many people can upload their English speaking demos?