YOU SAID:

I can´t walk that fast. I just can´t

INTO JAPANESE

そんなに速く歩けない。私はちょうどできません

BACK INTO ENGLISH

I can't walk that fast. i just can't

INTO JAPANESE

そんなに速く歩けない。私にはできない

BACK INTO ENGLISH

I can't walk that fast. i can't

INTO JAPANESE

そんなに速く歩けない。私はできません

BACK INTO ENGLISH

I can't walk that fast. I can not do it

INTO JAPANESE

そんなに速く歩けない。私はそれを行うことはできません

BACK INTO ENGLISH

I can't walk that fast. i can't do that

INTO JAPANESE

そんなに速く歩けない。私はそれをすることはできません

BACK INTO ENGLISH

I can't walk that fast. i can't do that