speak too soon

speak too soon idiom
Assume something prematurely, as in I guess I spoke too soon about moving to Boston; I didn't get the job after all.

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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