Cod Black Ops 3 English Language Pack Work //top\\ -

This means you only changed the text localization, not the audio. You need to manually install the English voice pack (see Method 3). Specifically, look for a file named en_voice_all.pak inside the sound folder.

One critical aspect of "English Language Pack work" is multiplayer compatibility.

Both menu text and voice audio will be in English.

and found it locked in a language you don't understand, you aren't alone. This is a common hurdle for players who buy regional versions (like RU/CIS or Japanese) that often lack a standard language selection menu.