It's probably them using fonts which don't feature chinese characters. You can try telling us which parts have no correct font and we'll see what can be done. Alternatively, you'll also provide a font you like for your translation.
It may take me two weeks to complete the translation of this document, it is too long, I have learned a little, maybe some fonts do not support Chinese, after I finish the translation, I will consider the font problem, I hope there will be no problem
Good luck with that. Also one thing to keep in mind, not all text is actually located in main.gd as some is still resides in scripts. The best workaround about that if you take notes which text was not translated so we can find and move it quickly after that
most of ui elements, bodyparts in charcreate and even some events don't utilize tr hance can not be localized (there are probably other things but i didn't pay much attention to it) just clear all tr's and see what is still english
