[+eyes, face] atento; (stronger) vigilante his voice was friendly, but his eyes were watchful Mary's narrow, watchful face appeared in the doorway his face was lean, intelligent and watchful
to be watchful (for sth) estar atento (a algo); (stronger) mantener una actitud vigilante (ante algo)
They moved fast and carefully, watchful for attack The best thing is to be watchful (for any change in your normal health)
to keep a watchful eye on sth/sb vigilar algo/a algn de cerca
Keep a watchful eye on babies and toddlers keep a watchful eye on the sauce to make sure it doesn't boil over
under the watchful eye of bajo la atenta mirada de; bajo la mirada vigilante de
There were demonstrations in the streets today, under the watchful eye of police Children swim at the pool, under the watchful eye of lifeguards
