make head or tail of
- (idiomatic) To understand even minimally.
- See if you can make head or tail of the last section in this chapter. I'm baffled.
- He was unable to make head or tail of some of the pattern-solving puzzles in the IQ test.
- 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 it".
understand even minimally