Yomitan

First, please visit this page to download Vietnamese - English Dictionary (VNEDICT) Yomitan dictionary.

viet-eng-dictionary

Choose VNEDICT and it will redirect to the download page. There are 5 dictionaries, you can just download all of them if you have no idea which one should you use.

First, open Yomitan Settings. step-1

Second, choose "Configure installed and enabled dictionary". step-2

Third, choose "Import" to import installed dictionaries step-3

Then choose the Babylon (Which I installed earlier), or your installed dictionaries and import it to Yomitan. step-4

Preview: viet-english-dictionary