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call on的意思是号召;叫;要求;拜访(某人)。
call for的意思是要求;需要;去接(某人);去取(某物)。
call in的意思是叫(某人)进来;来访;找[请]来;用电话通知。
call up的意思是给…打电话;叫醒;朝上方叫喊;使回忆起。
用法:
一、Call in 作"请来"、"找来"、"召来"解,"请人来作某种专业的咨询或帮忙"的意思。如:
(1)Your father is ill, you should call in a doctor at once.你父亲病了,应该马上去请个大夫来。
(2)The police have been called in to help make it clear. 已请来了警察帮忙把这件事弄清楚。
二、 Call on
1、是"拜访""访问",后接表示人的名词或代词如:
(1)I called on the Smiths yesterday. 我昨天拜访了史密斯一家人。
(2)I called on the doctor yesterday. 我昨天去拜访了医生。
2、另外,call on还可以"号召",后面往往接动词不定式作宾语补主语。如:
The headmaster called on the students to work harder.校长号召学生们更努力地学习。
三、Call for 有几个不同的意思:
1、作"要求"、"需要"、"提倡"解。如:
(1)Success calls for hard work. 成功要靠勤奋。
(2)People are calling for the freedom of all slaves.人们要求解放所有奴隶。
(3)The work calls for a lot of time. 这项工作需要大量时间。
2、表示"接(某人)"、"来取(某物)"。如:
(1)I'll call for you at sever this evening. 今晚七点我来接你。
(2)We call for the package at the post office.我们到邮局去取包裹。
3、表示"喊着要人取来",相当于ask for。如:
The man sat down and called for a glass of beer. 那人坐下来,要了一杯啤酒。
四、Call up
1、是"打电话"之意,相当于ring up或telephone或phone。 如:
I'll call you up tomorrow. 我明天给你打电话。
2、另外,call up 还有"回想起"之意。如:
Your letter called up the days when we worked together.你的信使我回想起我们一同工作的日子。
本回答被网友采纳一、词义不同
1、call on 指访问,拜访;号召,请求。
2、call for指要求;需要;提倡;邀请;为…叫喊。
3、call in 召集、召来,通常指叫来帮忙。
4、call up 打电话、想起。
二、用法不同
1、Call on 表示拜访、访问,call on后接表示人的名词或代词。如:
I called on the Smiths yesterday.
我昨天拜访了史密斯一家人。
2、call for表示“需要;要求”。for后接名词,表示需要、要求的对象。如:
The negotiations will call for considerable dexterity. (call for指需要)
进行这些谈判需要相当圆滑的手腕。
They called for a radical reform of our tax system. (call for指要求)
他们要求对税收制度进行根本改革。
3、Call in 请来、找来、召来解,请人来作某种专业的咨询或帮忙的意思,如call in a doctor找医生等。如:
Your father is ill, you should call in a doctor at once.
你父亲病了,应该马上去请个大夫来。
The police have been called in to help make it clear.
已请来了警察帮忙把这件事弄清楚。
4、call up主要表示打电话;使想起;征召。表示打电话时,后面接打过去电话的人。表示想起时,后面可以接回忆的情景。如:
She called up a friend just for a chat.
她打电话给一个朋友,只是要聊聊天。
She can still call up scenes of childhood.
她仍能想起儿时的情景。
He was called up at the beginning of the war.
战争开始时他就被征召入伍了。
扩展资料:
call on主要表示“号召;拜访”,后面主要接号召或拜访的对象(一般指人)。如:
He called on the workers to fight for their rights.
他号召工人为争取自己的权利而斗争。
I'd like to call on you this Sunday.
我想这个星期天来找你。
注意同样表示“拜访”,call at接的是地点,而call on接的是人。
I called on the doctor yesterday.
我昨天去拜访了医生。
I called at the doctor's yesterday.
我昨天去了医务室。
本回答被网友采纳