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
Giorgina	jor-JEE-nah	Italian
Sosruko	-	Caucasian Mythology
Della	['delə]
Feodora	-	Russian
Ashlynn	ASH-lin	English (Modern)
Pepita	pe-PEE-tah	Spanish