Hey there, mjurks.
Some of our articles are translated into Chinese. You can find out which by clicking the "translate" tab on any given article and seeing which translations are offered.
Vaginas aren't actually one size fits all in terms of how pleasure works with them: how pleasure works for a person with that anatomy has way more to do with that whole person and their whole body than just their vagina and vulva. So, working on communication is really the way to go with partners having issues with pleasure. When there's a big language barrier, that can obviously be a big problem! How do you two bridge communication gaps about other things?
If you do want to give him some basic info on this anatomy in Chinese as a starting place, this piece does have a Chinese translation:
https://www.scarleteen.com/zh-hans/arti ... E4%BD%8D_0
In terms of general sexuality resources in Chinese, you, he and your friends might find Love Matters, which has a China offshoot, useful:
https://lovematterschina.com/