https://support.apple.com/en-mide/guide/chinese-input-method/cim11841/mac
Enter Latin characters with a Chinese input method on Mac - Apple Support
When using a Chinese input source on your Mac, you can enter Latin characters as either half-width or full-width.
chinese input methodwith a
https://lists.debian.org/debian-input-method/2010/04/msg00003.html
[Pkg-ime-devel] Bug#478811: RFS: sunpinyin -- An input method engine for Simplified Chinese
https://dailypulseonline.com/the-ultimate-guide-to-sogou-input-method-get-unlock-seamless-chinese-language-typing-on-your-own-devices/
The Ultimate Guide to Sogou Input Method Get: Unlock Seamless Chinese language Typing on Your own...