advise (one) against (something)
(redirected from advise them against)advise (one) against (something)
To make a recommendation to one to not pursue a particular plan or action. She advised him against taking out another mortgage on the house. The professor advised his students against skipping class if they wanted a passing grade at the end of the semester. As a doctor, you can only advise people against smoking—you can't force them to quit.
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Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
advise against something
to suggest that something not be done. Lisa always advises against hasty actions.
See also: advise
advise someone against doing something
to encourage or counsel someone not to do something. I advised Bill against quitting his job.
See also: advise
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.