从来不知道的英文

I have never known about thatYou have never told me

I was never informed of this.You never informed me.

you've ever/never knew.

you never realize my existance/presence.

You have been ignoring my existence.

I always do not know this matter You have not always told me

something you never know

you never notice my existence .

I know nothing about this.You've never told me before.