not know what to make of

not know what to make of someone or something

not to understand someone or something; not to be able to interpret something or the actions of someone. We really don't know what to make of his request.
See also: know, make, not, of, what
References in classic literature ?
I did not know what to make of it, for it could scarcely mean that she wanted to bargain like her aunt.
The Atlanta business and political elite did not know what to make of Kovach: here was this Southern editor with a decidedly un-good-old-boy way of approaching the news.
Idioms browser ?
Full browser ?