"So you want us to be especially vigilant while you're asleep?"

Be especially vigilant in the early morning and at dusk, when there are often animals on the road.

If you're buying a product for a child, be especially vigilant.

Visitors should be especially vigilant on the beaches at night.

There were still troopers on the hill near the hotel, but they didn't seem especially vigilant.

The police will do their job, and we will be especially vigilant.

It urged employees to be especially vigilant over the next 10 days.

Kahlan was always especially vigilant right at change of watch.

He was especially vigilant in protecting the Church's rights against the secular power.

You are all undoubtedly aware that we must be especially vigilant on these issues.