in one's blood

in one's blood idiom
Also, in the blood. Part of one's essential nature. For example, The whole family loves music; it's in their blood, or Sailing somehow gets in your blood. Also see run in the blood.

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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