guard from

guard (someone or something) from (someone or something)

To protect or shield someone or something from someone or something that is dangerous, troublesome, or bad. We're building a fence to try to guard our vegetable garden from hungry animals. Cameron tries to guard his scrawny little brother from the school bully as much as he can.
See also: guard
Farlex Dictionary of Idioms.

guard someone or something from someone or something

to protect someone or something from someone or something. The assistant manager will guard your valuables from thieves. She guarded the kitten from the angry dog.
See also: guard
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • be/have done with somebody/something
  • be in line with (someone or something)
  • better of
  • (someone or something) promises well
  • begin with
  • begin with (someone or something)
  • bird has flown, the
  • beware of
  • beware of (someone or something)
  • be rough on (someone or something)
References in periodicals archive
Askari Bank is not our client, and no guard from Askari Guards is posted at any Askari Bank branch.'
Clarification
* Disinfect the mouth guard from time to time with a mouthwash.
Importance of mouth guards in sports: a review
Remove the mouth guard from the cast and trim using a small, sharp crown and collar scissors.
Fabricating an in-office mouth guard
Peter Pace turned down the idea, saying that separating the Army and Air National Guard from each service would be disruptive.
Governors want guard voice at the Pentagon
When mobilized to fight overseas, all units are being equipped identically, and it is hard to distinguish the Guard from Reserve and active-duty Soldiers.
Why so special?