YOU SAID:

Yes, I know it's been a while

INTO JAPANESE

はい、しばらく経ってしまいましたが

BACK INTO ENGLISH

Yes, it's been a while

INTO JAPANESE

はい、久しぶりですね

BACK INTO ENGLISH

Yes, it's been a long time

INTO JAPANESE

はい、久しぶりですね

BACK INTO ENGLISH

Yes, it's been a long time