YOU SAID:

my wand is longer than yours.

INTO JAPANESE

私の杖はあなたよりも長くなります。

BACK INTO ENGLISH

I wand longer than you.

INTO JAPANESE

私よりも長い期間の杖。

BACK INTO ENGLISH

The wand longer than me.

INTO JAPANESE

私よりも長い杖。

BACK INTO ENGLISH

Longer than my wand.

INTO JAPANESE

私の杖よりも長い。

BACK INTO ENGLISH

Longer than my wand.