YOU SAID:

I thought I knew it all along

INTO JAPANESE

ずっと知っていると思った

BACK INTO ENGLISH

I thought I knew it all the time

INTO JAPANESE

いつも知っていると思った

BACK INTO ENGLISH

I always knew

INTO JAPANESE

ずっと知ってたんだ

BACK INTO ENGLISH

I always knew.

INTO JAPANESE

ずっと知ってたんだ

BACK INTO ENGLISH

I always knew.