Translate Shell (formerly Google Translate CLI) is a command-line translator
powered by Google Translate (default), Bing Translator, and Yandex.Translate.
It gives you easy access to one of these translation engines your terminal:

$ trans 'Saluton, Mondo!'
Saluton, Mondo!

Hello, World!

Translations of Saluton, Mondo!
[ Esperanto -> English ]
Saluton ,
    Hello,
Mondo !
    World!