This is such an annoying issue. Almost every epub reading app allows you change the dictionary for a correct hyphenation. Not only Neoreader doesn’t do that (if you want to change the dictionary, you have to find and install an external stardict one, which is not always that simple), but it doesn’t even let you disable the hyphenation.
I love my Note, but NeoReader really needs a lot of work. CSS support is awful too.
Hyphenation is one of the reasons I switched to moonreader
Neoreader is very, very bad. The CSS support is horrible. The problem is, it’s deeply integrated with the reader and its note taking functions, which is one of the reasons I bought the Note.