YOU SAID:

Maybe I can’t do better than that.

INTO JAPANESE

たぶん、私はそれ以上はできないでしょう。

BACK INTO ENGLISH

Maybe I will not be able any more.

INTO JAPANESE

多分私はもうできないでしょう。

BACK INTO ENGLISH

Perhaps I can not do it anymore.

INTO JAPANESE

多分私はもうそれをすることができません。

BACK INTO ENGLISH

Perhaps I can not do it anymore.