YOU SAID:
I am a very smart young man, and I know everything about everything.
INTO JAPANESE
私はとても頭のいい青年で、すべてを知っています。
BACK INTO ENGLISH
I am a very smart young man and I know everything.
INTO JAPANESE
私はとても頭のいい青年で、すべてを知っています。
BACK INTO ENGLISH
I am a very smart young man and I know everything.
You've done this before, haven't you.