How to say i'm serious ("es ist mein ernst") in German?
How to say i'm serious ("je suis sérieux") in French?
How to say i'm serious ("lo digo en serio") in Spanish?
How to say i'm serious ("私は真剣です") in Japanese?
How to say i'm serious ("dico sul serio") in Italian?
How to say i'm serious ("我是认真的") in Chinese?
How to say i'm serious ("나는 심각하다") in Korean?