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who's who

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noun [singular] who's who pronunciation in British English
  1. a group of the most important people involved in a particular subject or activity
    a (regular) who's who of something:

    The guest list read like a regular who's who of the fashion industry.


Word story
From the name of the well-known book Who's Who that gives details about the lives and achievements of important people.

sandwich generation

a generation … who are balancing working life with caring for both their teenage children and elderly parents

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Open Dictionary


to gossip or share personal information with someone …

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