I have to say it is an amazing theme that I have developed it for several weeks, but recently I met a problem which is the same with this one. So I tried to implement the method given by Mr. Vlad, I tried to create an English category but written in Chinese. The fact is the Chinese version page cannot recognize English category (I use polylang to do the language shifting). So I want to know when can we develop the portfolio function for Chinese? And if we have other solutions please let me know, thank you!
P.S. My website is http://www.qadishagroup.com/, you see when I click here, it will jump to the top.