YOU SAID:

My right hand is a knife and my left is a fork

INTO JAPANESE

私の右手はナイフ、左手フォーク

BACK INTO ENGLISH

My right hand is left hand fork knife

INTO JAPANESE

私の右手は左手フォーク ナイフです。

BACK INTO ENGLISH

My right hand is the left hand fork knife.

INTO JAPANESE

私の右手は、左手フォーク ナイフです。

BACK INTO ENGLISH

My right hand is the left hand fork knife.