YOU SAID:

so now's your chance to be a big shot

INTO JAPANESE

だから今が大物になるチャンスだ

BACK INTO ENGLISH

So now's your chance to be big

INTO JAPANESE

だから今があなたが大きくなるチャンスです

BACK INTO ENGLISH

So now is your chance to grow

INTO JAPANESE

だから今が成長のチャンス

BACK INTO ENGLISH

So now is your chance to grow