I asked my son if there were any teachers who speak Putonghua. He said there probably were. He also said he didn't know! Since he spoke unclearly about it, I want to ask you.
我問個仔有冇老師講普通話啊，佢話有啩，又話唔知啊！因為佢講得唔清唔楚，所以我就想問你。