Thanks again for your help! Now I'm almost done, I did steps 2,3,4,5 (
https://www.mobileread.com/forums/sh...d.php?t=273820) and I can see 'Russian-English' in the 'manage dictionaries' folder of my reader, and it's 'clicked' (as opposed to not been used), but when I click on a Russian word in a book, there's a ton of dictionaries I can choose from (Extra:_ru Extra_ru - Extra:_en (this one appears twice!)), but none of them works (it says I don't have any of them installed). I attached the screenshot of SQLite and my .kobo/dictionary