knowledge (of about something) information, understanding and skills that you have gained through learning or experience
शिक्षा या अनुभव से प्राप्‍त जानकारी, समझ और कौशल
I have a working knowledge of French [enough to be able to make myself understood].I have a working knowledge of French [enough to be able to make myself understood].
2.
the state of knowing about a particular fact or situation
किसी तथ्‍य या स्थिति-विशेष के विषय में जानकारी
To my knowledge [from the information I have, although I may not know everything] they are still living there.To my knowledge [from the information I have, although I may not know everything] they are still living there.