YOU SAID:

I didnt work enough today

INTO JAPANESE

十分に機能しなかった今日

BACK INTO ENGLISH

Today did not work well

INTO JAPANESE

今日はうまく機能しなかった

BACK INTO ENGLISH

I did not work

INTO JAPANESE

私は動作しませんでした。

BACK INTO ENGLISH

I do not work.

INTO JAPANESE

私は動作しません。

BACK INTO ENGLISH

I do not work.