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
Cornell	[kɔ:'nel]
Adcocks	['ædkɔks]
Robena	-	English (Rare)
Jordan	JAWR-dən (English)	English, Macedonian
Reuven	-	Hebrew, Biblical Hebrew
ÉMeric	-	French