YOU SAID:

but I need training for outside the boxing

INTO JAPANESE

でもボクシングの外でトレーニングが必要です

BACK INTO ENGLISH

But I need training outside of boxing

INTO JAPANESE

しかし、私はボクシング以外のトレーニングが必要です

BACK INTO ENGLISH

But I need training other than boxing

INTO JAPANESE

しかし、ボクシング以外のトレーニングが必要です

BACK INTO ENGLISH

But you need training other than boxing

INTO JAPANESE

しかし、ボクシング以外のトレーニングが必要です

BACK INTO ENGLISH

But you need training other than boxing