YOU SAID:

I didn't know it would be like that!

INTO JAPANESE

私はそれがそうであることを知らなかった！

BACK INTO ENGLISH

I did not know that it is!

INTO JAPANESE

私はそれが分からなかった！

BACK INTO ENGLISH

I did not understand it!

INTO JAPANESE

考えが浅かった

BACK INTO ENGLISH

I did not understand.

INTO JAPANESE

考えが浅かった

BACK INTO ENGLISH

I did not understand.