keep a weather eye open

An instruction to monitor someone or something, often because the person or thing in question may turn out to be dangerous. I think Tom's a thief, so keep a weather eye open around him. I'd keep a weather eye open with this storm that's brewing—we may have to evacuate.

Common Names:

Name	Pronounced	Usage
TeÓFilo	te-O-fee-lo (Spanish)	Spanish, Portuguese
Gore	GAWR	English (Rare)
Gry	-	Norwegian, Danish, Swedish
Astins	['æstinz]
Finlay	-	Irish, Scottish, English
Enrica	-	Italian