(1)run out 是“动词+副词”构成的不及物动词短语,后不能接宾语,意为“用完,耗尽(be used up)”,其主语通常是时间、金钱、食物等无生命的名词。例如:
His money soon ran out.=
His money was soon used up.
他的钱很快就花完了。
(2)run out of 作及物动词短语,后接宾语,意为“用完,耗尽(use up)”,主语是人。例如:
He ran out of gas a mile from home.=
He used up gas a mile from home.
他在离家还有一英里的地方把汽油用完了。
『拓展』run out of…还可译为“从某处流出(跑出)”;run out 也有“流出,跑出”的意义,但其后不能接宾语。例如:
He ran out of the room.
他跑出了房间。
(3)use up 意为“用完,耗尽”,主语可以是人,也也可以是物,有被动形式,其被动形式为be used up ,但run out of 与run out 短语没有被动形式。例如:
I used up food and water.=
I ran out of food and water.
我用完了食物和水。
Food and water were used up .=
Food and water ran out.
食物和水用完了。
Let's have a try.
谢谢!
联系客服