.Is there a time jump in the novel between v3 ch5 and v4 ch1.1 cuz I'm confused as to how ...

There's not a time jump, I dont remember well if its that part but I think is just that there isnt an aviable translation in the web

So what happened or where can I find a translation for that part

You can check out this website http://xfengyujiutian.tumblr.com/.
Also for volume 14 and up https://yuanshucave.blogspot.com/

thanx