phrasal
or who's who or who was who
: the identity of or the noteworthy facts about each of a number of persons
lived in this town long enough to know who's who
before I had learned who was who
phrasal
or who's who or who was who
: the identity of or the noteworthy facts about each of a number of persons
lived in this town long enough to know who's who
before I had learned who was who
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012