estar ojo avizor

1.
SpainLatin AmericaGeneral Spanishneutralinformal
- To be alert and watchful; to keep a vigilant lookout for danger, change, or opportunity.
- To pay close attention to someone or something in order to notice any problems or developments.

Examples:

ES: Más razón para estar ojo avizor.
EN: All the more reason to keep your eyes open.
ES: Tendrá que estar ojo avizor.
EN: You must keep your weather eye open.
ES: Debemos estar ojo avizor, Jim.
EN: We must keep a sharp look out, Jim.
ES: Tienes que estar ojo avizor.
EN: You gotta keep your eyes open.
ES: Tenemos que estar ojo avizor.
EN: We shall watch with the peeled eye.
ES: Debo estar ojo avizor, pues el duque de Lerma aprovecha cualquier ocasión para traerme damas que me vigilan.
EN: I have to be cautious. The Duke of Lerma takes every chance to bring ladies who spy on me.
ES: Nos toca estar ojo avizor.
EN: So, we've had to be super-vigilant.