two of a kind

two of a kind idiom
Very similar individuals or things, as in Patrice and John are two of a kind—they're true hiking enthusiasts. This idiom uses kind in the sense of “a class with common characteristics,” a usage dating from about a.d. 1000.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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