preserve (someone or something) against (something)

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preserve (someone or something) against (something)

To keep someone or something safe or protected from something. Many of these chemicals used to preserve our foods against decay have deleterious effects on our health. Parents are all so preoccupied with preserving their children against danger that they end up sheltering them from many of the things that make childhoods memorable.
See also: preserve
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

preserve someone or something against something

to guard or protect someone or something against something. (Stilted or old-fashioned in reference to people.) I hope that the vaccine will preserve us against influenza. There is nothing in the jam to preserve it against spoilage.
See also: preserve
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Sending to Your Majesty and the family of the deceased my profound condolence and sincere sympathy, let me appeal to Allah the Almighty to pour his mercy and forgiveness on her soul, rest her in paradise and preserve you against any harm".