mantenerse alerta

v.

to keep alert, to be alert, to keep one's watch, to keep one's ears to the ground.

* * *

(v.) = keep + alert, keep + an eye open, keep + Posesivo + eyes (wide) open

Ex. It is not unsual also for the staff to take courses (at company expense and often on company time) that will keep them alert and mentally alive.

Ex. The assistant in charge of a section will see that their bit is kept tidy and will keep an eye open for thieves.

Ex. He should make a note of the gap and keep his eyes open for any additional material.

* * *

(v.) = keep + alert, keep + an eye open, keep + Posesivo + eyes (wide) open

Ex: It is not unsual also for the staff to take courses (at company expense and often on company time) that will keep them alert and mentally alive.

Ex: The assistant in charge of a section will see that their bit is kept tidy and will keep an eye open for thieves.

Ex: He should make a note of the gap and keep his eyes open for any additional material.