myLingo Translation app is the easiest way to translate on your Mac.
Just drag the myLingo window on top of the content you want to translate.
myLingo detects the language. (You can choose a different language if it is incorrect)
Select your target language.
That is it!!
myLingo supports nineteen languages: Arabic, Chinese (Simplified), Dutch, English, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Portugese (Portugal), Polish, Russian, Spanish, Turkish, Thai, Ukranian, and Vietnamese