Verb:

কি কি জানেন,

know what's what's Usage Examples:

general election Pacific Islands Monthly, February 1968, p24 P-NG voters know what's what now, but nobody yet knows who's who Pacific Islands Monthly, March.

saying what for?" to which Anticlimax humorously replies "don't you know what's what, what?" Anticlimax mentions that the Britons were working on a tunnel.

How about that? You know, I don't need you to tell me what's what, I know what's what just as well as you do.

pop but love music, hate prattle (excessive on-air talk) but want to know what's what where in the world.

All by ourselves we make it tougher to know what's what.

Synonyms:

be with it; be on the ball; know what's going on; know the score; know;

Antonyms:

ignore; lose track; forget; reject;