But he watched all public incidents with a vigilant eye, and seized every passing opportunity of exposing departures from sound principle in parliament and courts of justice.
He still knew the undergraduates individually, and watched their progress with a vigilant eye.
Down to his death the pope kept a vigilant eye on the troubles in France.
My coworker was scolded during our quarterly meeting for not being vigilant in his budget assignments.
You will have to be vigilant in your work in order to earn an A in this class.
Pilots must be vigilant at all times to keep their passengers safely in the air.
Janell has been very vigilant with her diet because she is determined to lose weight and be healthier.
What I want is an enlightened, firm and vigilant administrator; and that is why I have chosen you.
The police service, which was violent where it should have been reasonable, and blind where it should have been vigilant, had long been a source of great irritation.
The Chinese guarded the secrets of their valuable art with vigilant jealousy; and there is no doubt that many centuries passed before the culture spread beyond the country of its origin.
He had one long dispute with the monks of Worcester, another with the abbot of Westminster, and was vigilant in guarding his material interests.
Her vigilant attitude towards her academics is inspiring and will serve her well in the future.
Please be more vigilant about cleaning your room; shoving everything under the bed is not up to my standards.