Idioms and Phrases with speak too soon
speak too soon
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® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.