can't make head nor tail of (someone or something)

can't make head nor tail of (someone or something)

Cannot understand someone or something at all; cannot make any sense of someone or something. I've been working with the new software for hours, but I still can't make head nor tail of it. I can't make head nor tail of that new guy in accounting. Sometimes, he's really friendly, and then other times he acts like he's never met me before.
See also: head, make, nor, of, tail
Farlex Dictionary of Idioms.

can’t make head or/nor ˈtail of something

(informal) not be able to understand something at all: I can’t make head or tail of this picture — is it upside down?
See also: head, make, nor, of, something, tail
Farlex Partner Idioms Dictionary
See also:
  • cannot make head or tail of something
  • can't make head or tail of
  • can't make head or/nor tail of something
  • can't make heads or tails (out) of (someone or something)
  • can't make heads or tails of
  • I can't even
  • can't even
  • cannot
  • cannot but
  • (Are) you kidding (me)?