YOU SAID:

I don't appreciate my existence

INTO JAPANESE

私は自分の存在を感謝しない

BACK INTO ENGLISH

I do not appreciate their presence

INTO JAPANESE

自分の存在を理解していないか

BACK INTO ENGLISH

Their presence did not understand?

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.