1. see sb. do sth. 看到某人做了某事 I saw a big bird fly over the roof of the house yesterday. 昨天,我看到一只大鸟飞过了屋顶。 2. watch sb. do sth. 观看某人做了某事 I watched the thief steal money from others' pockets. 我看到这个小偷从别人的口袋里...