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Meaning of keep one's eyes open | Babel Free

Verb CEFR C2

Definitions

To be on the alert; to watch carefully or vigilantly for something.

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

keep one's eyes peeled keep one's fingers crossed keep one's guard up keep one's hair on keep one's hand in keep one's hands to oneself