Your English writing platform
Discover Ludwig"on the alert" is an idiomatic phrase used to mean "watchful and alert for potential danger," and is perfectly usable in written English.
For example, "The police have been on the alert for any suspicious activity."
Dictionary
on the alert
adjective
Very attentive, or vigilant
Exact(60)
Always be on the alert for the sly joke, the one-liner and outright slapstick.
Civil society is on the alert.
Constituents on the alert for hypocrisy, take note.
The authorities are constantly on the alert for trouble.
"Our young patriots are on the alert," he said.
So security forces were on the alert after her arrest.
It will now also keep peaceable Scandinavians on the alert.
Mr. Breyfogle is also on the alert for résumé stuffing.
Eyes were darting about anxiously; everyone was on the alert.
Both are prolific, always on the alert and far ranging.
"Yes, but we've got to be on the alert".
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com