Google is very keen on improving its performance and features for its valuable users. In such a way, it has announced a new feature. Therefore, you can have an automatic message translation for your account. If you want to use this feature just enable this “Message Translation” setting from Labs Tab under settings.
Click to know about the real time translation from Google
Whenever you receive an email in a language other than your own, Gmail will help you to translate the mail in your desired language with a single click. If all parties are using Gmail, you can have entire conversations in multiple languages with each participant reading the messages in whatever language is most comfortable for them