Personal circumstances dictate what one speaks as a first language. But what happens when several are used at the same time, which also means that no single one predominates, either in spoken or written form, and thus they congeal into a primary “language of the mind”?
For some local people – of whatever ethnic origin – mixed code teaching in what were considered the more superior Hong Kong schools, and being forced to learn in a foreign language – English – to which most students had little everyday exposure, had that effect.