YOU SAID:

My credit card isn't working.

INTO JAPANESE

クレジット カードが機能しません。

BACK INTO ENGLISH

My credit card doesn't work.

INTO JAPANESE

私のクレジットカードは使えません。

BACK INTO ENGLISH

My credit card cannot be used.

INTO JAPANESE

私のクレジットカードは使えません。

BACK INTO ENGLISH

My credit card cannot be used.