think twice

think twice idiom
  1. Reconsider something, weigh something carefully, as in I've got to think twice before spending that much on a car. [Late 1800s]
  2. not think twice. Take no notice, not worry about, as in She didn't think twice about flying off to Europe with a day's notice. [Mid-1900s]

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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