make head or tail of
Definition from Wiktionary, the free dictionary
- (idiomatic) To understand even minimally.
- See if you can make head or tail of this chapter. I'm baffled.
- To determine to be good or bad.
- In sense 1, usually with a construction expressing inability, as in "I can't make head or tail of this", "He was unable to make head or tail of some of the pattern-solving puzzles in the IQ test", and so on.
understand even minimally