YOU SAID:

this wasn't working a few days ago how 'bout now?

INTO JAPANESE

これは数日前にはうまくいきませんでした。

BACK INTO ENGLISH

It did not work well a few days ago.

INTO JAPANESE

数日前はうまくいきませんでした。

BACK INTO ENGLISH

A few days ago it did not work.

INTO JAPANESE

数日前、うまくいきませんでした。

BACK INTO ENGLISH

A few days ago, it did not work.

INTO JAPANESE

数日前、それはうまくいきませんでした。

BACK INTO ENGLISH

A few days ago, it did not work.