> When converting the original characters into English Latin characters is correct, not English > why didn't the creators of this system choose letters which

> When converting the original characters into English Latin characters is correct, not English > why didn't the creators of this system choose letters which more closely match the native pronunciation? Because among other things the designers of Pīnyīn wanted the users to be able to type the letters on commonly available typewriters (in the 1950s). A 100% match is of course the IPA, but that was exceedingly difficult to type until late after the advent of personal computers. Pīnyīn is a compromise. Compare: tɕʰiː˥˩ · qì ʈʂʰɻ̩˥ · chī