| 单词 | must |
| 释义 | mustmustmust1 /məst; strong mʌst/ modal verb (negative short form mustn’t)1used when saying that it is necessary or very important that someone does something, especially because of a law or rule: All passengers must wear seat belts.passengerbelt所有乘客都必须系上安全带。This book must not be removed from the library (=do not remove it).remove本书不得带出图书馆。2used when saying that you feel strongly that you should do something: It’s getting late – I really must go.get天晚了﹐我真的必须走了。3used when saying that you think something is very likely to be true: George must be almost eighty now.乔治现在肯定快八十了。You must have been very upset.be你一定非常难过。4spoken used when suggesting that someone should do something: You must come and visit us sometime.哪一天你一定要来看看我们。THESAURUS: mustmust used when saying that it is necessary or very important that someone does something, especially because of a law or rule, or because you feel strongly that you should do it: You must not copy other people’s work.I must get some money out of the bank.have to do something to need to do something because the situation you are in makes it necessary, or there is a rule that says you must do it: I have to be in school early tomorrow.Do we have to show our passports?passportbe obliged to do something especially British English formal to have to do something because of a rule or law: Employers are legally obliged to provide facilities for disabled people.employerbeobligefacilitydisableYou are not obliged to say anything, but anything you do say may be used as evidence in a court of law.beobligeusebe forced to do something (also be compelled to do something formal) to have to do something that you do not want to do: He was forced to resign.beforceThey may be forced to give up their claim.forcebe required to do something formal to have to do something, especially because it is your job or responsibility to do it, or because it is the law: Doctors are required to report cases of certain diseases.doctorberequirecasedisease |
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