Well, we'll keep a vigilant eye on Emma, between us.

Keep a vigilant eye on them: you'll probably need to add more after an hour.

But vigilant eyes and ears were always upon her.

On open ground, I would keep a vigilant eye on my defenses.

To address community concerns, he added, the home is also keeping a more vigilant eye on the youths.

Not a single inch of the place had escaped his vigilant eye.

There is not a vigilant eye in this room.

Too bad; they should have kept a more vigilant eye on the people running their banks.

"So we will be keeping a vigilant eye on how effective it is."

We must continue to keep a vigilant eye on the safety of the products traded in the internal market.