The phrase "alert to keep" is not correct and does not convey a clear meaning in written English.
It may be intended to express a need to remain vigilant or aware, but the phrasing is awkward and unclear.
Example: "You need to be alert to keep track of all the changes happening in the project."
Alternatives: "vigilant to maintain" or "aware to ensure".
The phrase is a reminder to the country bumpkin to stay alert, to keep his eyes open.
Security authorities at the airport were put on alert to keep the transfer of the prisoners secure, the sources added.
Foot-and-mouth disease is spreading through Europe, and the doctor and his three inspectors are on full alert to keep it out.
The Portugal keeper then needed to be alert to keep out a drive from Benzema as France continued to press for the opener.
That was England's first warning and another came shortly afterwards when Hart had to be alert to keep out Vladimir Weiss's low drive.
Begovic had to be alert to keep out a header from Arouna Koné after Séamus Coleman crossed from the left, then the goalkeeper saved again when James McCarthy sent in a shot from distance.
There will be Spoiler Alerts to keep those viewers safe.
For reference material – which should always be credited – use Google Alerts to keep up to date with online content that matches your keywords.
Features include event alerts to keep you posted on specific games, and personalisation to set your favourite teams in the various competitions.
Many cite Cape Town's Shark Spotters program as a gold standard because of its emphasis on observation and education: community members on beachside cliffs use flags and alerts to keep the public informed of shark sightings.
The need for speedier public alerts to keep swimmers and other recreational users out of polluted waters was underlined last year when a fire at the North River Wastewater Treatment Plant in Harlem led to discharges of raw sewage into the Hudson River for several days.
