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
Lulu (2)	-	Arabic
Samira (1)	-	Arabic, Persian
Antiope	-	Greek Mythology
Baldock	['bɔ:ldək]
Blaguna	-	Macedonian, Bulgarian
Akshay	-	Indian, Hindi, Marathi, Gujarati, Kannada