guard against

guard against someone or something

to take care to avoid someone or something. Try to guard against getting a cold. You should guard against pickpockets.

Name	Pronounced	Usage
Jeffery	JEF-ree	English
Aeschylus	ES-kəl-əs (English)	Ancient Greek (Latinized)
Steele	[sti:l]
Parvana	-	Azerbaijani, Persian
Mies	MEES	Dutch
Isaiah	ie-ZAY-ə (English), ie-ZIE-ə (English)	English, Jewish, Biblical