[译] 他抢劫了那个老太太的钱包和手表。
[误] He robbed the old lady’s purse and watch.

[正] He robbed the old lady of her purse and watch.
[注] rob 的意思是 take the property off unlawfully, 它的宾语应该是遭受抢劫的人等，而不是被抢的财物。所以表示“抢劫某人的东西”时，应该说 rob sb. of sth.。