گزارش خطا در معنی کلمه 'on the alert'

1 general:: Watchful, fully prepared, as in The inspectors are always on the alert for a manufacturing error. [Late 1700s]

2 general:: Phrase(s): on the alert (for someone or something) watchful and attentive for someone or something. • Be on the alert for pickpockets. • You should be on the alert when you cross the street in heavy traffic.