有时两个词或三个词在一起构成一个成语，作用和一个单一动词差不多，称为成语动词。这种动词主要有下面四类： 1） 不及物动词+副词 The war broke out in 1939. 战争于1939年爆发。 She didn’t want to fall behind in her studies. 她不愿意学习落后。 How did the accident come about? 这事故是怎样发生的? The wind has died down a bit. 风平息了一点。 常见的这类动词有： back away back down back off boil over break away break out check up close in cloud over come about come apart come on come around come up cool off crop up cut in die away die down die out doze off drag on drop back drop by drop out case up fade away fall apart fall behind fall through fight back flare up fool around forge ahead get about get along get up give in go ahead go along go away go on go out go up grow up hang together hit out hold on let up lie back lie down look ahead look back look in make off melt away move off move over own up pass away press ahead press on push ahead push on ring off run away run out rush in set in settle down shop around sit back sit down speak up stand back start out stay on stay up step aside step down step in stop by stop off stop over touch down watch out wear off 2） 不及物动词+介词 (1) He could not account for his absence from school. 他无法解释他为什么缺课。 (2) I called on her this morning. 今早我拜访了她。 (3) I ran across her in the library yesterday. 昨天我在图书馆碰到了她。 (4) You’d better wait and watch for a better chance. 你最好等等，留心更好的机会。 常见的这类成语动词有： abide by account for allow for ask after bank on break into break with bump into burst into call for call on care for come across come by come for come into come to come upon count on dawn on deal with dispose of draw on drive at dwell on embark on enter into fall into feel for frown upon get at get into get over go about go for head for hit on jump at keep to laugh at leap at live for live off look after look into look to make for meet with part with pick at plan for play at play on provide for reason with reckon on run across run into see to seize on set about stand for stem from stick at take after trifle with wait for wait on watch for 有些不及物动词可以跟副词也可以跟介词构成成语动词： 不及物动词+副词 不及物动词+介词 We mustn’t lag behind. We mustn’t lag behind others. 我们不能落后。 我们不能落在别人后 面。 They hope to break through soon in this research. The allies sought to break through the German lines. 他们希望这项研究不久能取得突破。 盟军设法突破了德军的防线。 We must be getting off now. Then they got off the bus. 现在我们得动身了。 随后他们下车了。 Let’s all join in. He joined in the march. 咱们都参加进去。 他参加了游行。 3） 及物动词+副词 (1)He is trying to bring about a reconciliation. 他在努力促成和解。 (2)I’ll try to hurry him up. 我来设法催促他。 (3)The trolley-bus stopped to put down three passengers. 电车停下来，让三位乘客下车。 (4)They are going to knock down those old houses. 他们要拆掉那些老房子。 这类成语用词很多，常见的有下面这些： add up answer back back up beat up blow up break in break off break up bring about bring forward bring in bring off bring up call back call off call out carry off carry on carry out catch up check in check out cheer up clean out close down count out cover up cross out cut down cut off cut out dig up drag in drag out draw up dress up drink up drive out eat up fight off fill up find out finish up fix up follow up gather up get in get out give away give back give off give up hand down hand in hand out hand over hand round have on heat up help out hold out hold up hunt down hurry up hush up kick out knock down knock out knock over lay down lay off leave behind leave out let down let in let off let out lift up look out look up make out make up mix up note down open up order about pass off pass over pass round pay back pay off play down play up plug in point out pull apart pull down put forward put off put on put out put up read out rub out rule out run over rush through see off seek out sell off send up set aside set off set out shoot down show off show up sign up slow down smooth over sort out spread out stamp out start off step up stick out sum up switch off switch on take apart take back take off take on take over take up talk over tear off tear up tell apart think over thresh out throw away throw out tidy up tie down tire out tone down track down try on try out turn away turn back turn down turn in turn on turn out turn up wake up warm up wash up wear out win back win over wind up work out 也有部分成语动词是由及物动词+介词构成的，如： (1) Don’t build on his promises. 不要信赖他的诺言。 (2) He talked me into changing my job. 他说服我改换了工作。 (3) They showed her round the house. 他们带她在屋里到处看了看。 (4) She set the children against their father. 她让孩子们反对他们的父亲。 4） 动词+副词+介词 还有一部分成语动词由三个词构成，即“动词+副词+介词”，介词后跟宾语，如： (1) I can’t put up with these noisy people. 我无法忍受这些嘈杂的人。 (2) You might come up against a bit of opposition. 你可能会遭到一点反对。 (3) Don’t look down on this kind of work. 不要看不起这种工作。 (4) I’m looking forward to her arrival. 我期盼着她的到来。 这类成语动词常见的有： be in for boil down to brush up on call out for catch up with come down on come down to come down with come in for come out against come out in come out of come out with come up against come up to come up with crack down on cry out against cry out for cut back on date back to do away with face up to fall back on fall in with get away with get down to get off with get on to get on with get round to go back on go in for go off with go over to go through with grow out of keep in with keep on at keep up with lead up to live up to look down on look forward to look out for look up to make away with make off with make up to match up to measure up to put up with run away with run off with run up against stick out for suck up to take up with talk down to tie in with walk away from walk away with walk off with