阳光家教网全台Callin,Callon,Callat,Callfor,Callup Call in, Call on, Call at, Call for, Call up 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:Your father is ill, you should call in a doctor at ,应该马上去请个大夫来。The police have been called in to help make it 。Call on和call at的意思一样,都是"拜访""访问",但call on后接表示人的名词或代词,call at 后接表示地点或场所的词语。试比较:I called on the Smiths 。I called at the Smith's 。I called on the doctor 。I called at the doctor's 。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 。 Call for 有几个不同的意思:"要求"、"需要"、"提倡"解。如: ess calls for hard 。People are calling for the freedom of all 。The work calls for a lot of 。"接(某人)"、"来取(某物)"。如:I'll call
