英和和英

Don't really understand

to an inconceivable degree

I cannot understand.

I don't really understand that.

I still don't get it.

I do not understand it at all.

not fully apprehended

I don't want to understand it.

I just can't understand it.

I don't understand.

incomprehensibility by virtue of being too dense to understand

surpass (one's) comprehension

I can't really understand that.

I can't understand it.

It is not difficult to understand.

the condition of being incomprehensible

I cannot understand it for the life of me.

impossible to understand

He has no understanding

I do not quite understand.

to be frustrated because one finds something difficult to understand

an inability to understand

I haven't understood that very well.

not fully understood

I can't make head nor tail of it.

Don't you understand what that means?

I mostly don't understand that.

I don't understand.

I can't make it out.

I don't understand how to do it.