例句：He watched the house for signs of activity.
They watched the bus disappear into the distance.
Could you watch my bags for me while I buy a paper?
Watch your bag─there are thieves around.
Hey, watch where you're going!
The man was standing in his doorway watching him...
I'd stayed up late to watch the film...
Human rights groups have been closely watching the case...
Parents can't be expected to watch their children 24 hours a day.
例句：She kept looking anxiously at her watch.
The police have mounted a watch outside the hotel.
I go on watch in an hour.