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Idioms and Phrases with have it in one

have it in one

Have the ability to accomplish something. As Sir Arthur Conan Doyle put it in A Study in Scarlet (1887), “I know well that I have it in me to make my name famous.”

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.