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a walking encyclopedia

Idiom Intelligence

Meaning

a person who knows a lot about many subjects

Example Sentences

"Ask him anything about history—he’s a walking encyclopedia."

Related Expressions

answer the call

to respond to a responsibility or opportunity

chalk up

to attribute something to a particular cause

Early adopter

Someone who starts using a new product before others.

hard sell

an aggressive or forceful sales approach

backroom deal

a secret agreement made by powerful people

green-eyed with envy

showing strong jealousy