throw cold water on (something)

throw cold water on (something)

To temper excitement or enthusiasm for something. After I passed the final exam, my teacher promptly threw cold water on my excitement by reminding me that I still have to go to summer school.
See also: cold, on, throw, water
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

throw cold water on

To express misgivings about or disapproval of; discourage.
See also: cold, on, throw, water
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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