Just use the closest Chinese characters to represent a syllable / sound, and slightly modify it if they have to distinguish them. Actually this is not just for

Just use the closest Chinese characters to represent a syllable / sound, and slightly modify it if they have to distinguish them. Actually this is not just for foregin languages. It was how Chinese itself evolved. Search "borrowing" in this page: https://en.wikipedia.org/wiki/Chinese_character_classification https://en.wikipedia.org/wiki/Chinese_character_classificati...