There's also the whole South China sea thing, where they're making claims on international waters and the territorial waters of their neighbors: https://en.wikipedia.org/wiki/Territorial_disputes_in_the_So...

But I have a feeling your position is basically "Except for all the cases where they're threatening their neighbors, they're not threatening their neighbors at all."

Arunachal Pradesh.

https://www.nbcnews.com/news/amp/rcna245797

Tibet and Xinjiang already conquered and we have forgotten about them.

Pretty much anything that happens to abut the South China Sea.

I suppose you could also make the argument that they already did invade Tibet and Hong Kong, though that's splitting hairs.

India, Bhutan. South China Sea. East China Sea/Japan.