YOU SAID:

I have no better job to do

INTO JAPANESE

私はより良い仕事があります。

BACK INTO ENGLISH

I may do a better job.

INTO JAPANESE

私はより良い仕事を行うことができます。

BACK INTO ENGLISH

I can do a better job.

INTO JAPANESE

もっといい方法がある

BACK INTO ENGLISH

I can do better.

INTO JAPANESE

もっといい方法がある

BACK INTO ENGLISH

I can do better.