require

Word family

ldoce_744_zre·quire /rɪˈkwaɪə $ -ˈkwaɪr/ S1 W1 AWL verb [transitiveT not in progressive]

1 NEEDto need something 需要〔某物〕

Campbell’s broken leg will probably require surgery.

坎贝尔的一条腿骨折，可能需要手术。

What’s required is a complete reorganization of the system.

需要做的是彻底整顿整个系统。

Most houseplants require regular watering.

大多数室内盆栽植物需要定期浇水。

Require is used especially in written English. In everyday English, people usually say need: require尤用于英语书面语。在日常英语中，人们一般用need

His leg will probably need surgery.

他的腿可能需要动手术。

2 MUSTif you are required to do or have something, a law or rule says you must do it or have it 〔法律或规则〕要求，规定

be required to do something

You are required by law to wear a seat belt.

法律规定要系安全带。

require that

Regulations require that students attend at least 90% of the lectures.

规定要求学生至少要达到90%的听课率。

The bill failed to get the required number of votes.

法案没有得到规定的票数。

► see thesaurus at insist

n GRAMMAR: Using the progressive

Require is not used in the progressive. You say:

The project requires considerable investment.

✗Don’t say: The project is requiring considerable investment.

5 FREQUENCY 使用频率

Examples from the Corpus

require• The latter then sued for a writ of mandamus requiring Madison to give him his commission.• Eddy requires a climb of about 2,200 feet over the course of 5-1 / 4 miles.• The job requires a college degree and a knowledge of computers.• A second offense would earn a misdemeanor citation, and a third would require a court appearance.• But it requires alkaline water and propagates freely from stem-cuttings.• But it will only work if further orders are required and other suppliers are not readily available.• The governor is proposing the minimum increase for schools required by Proposition 98.• Several joined in to complain about the tribute required by the deputy in Riba.• As any couple will tell you, marriage requires commitment and sacrifice from both partners.• Most house plants require good light and regular watering.• Is there anything further you require, sir?• Guests who require special diets should inform the catering manager in advance.• Higgins' broken leg will probably require surgery.• A lot of patience is required to look after a disabled child.

be required to do something• The diary tells the children and parents what is required to be done on any one evening.• If everyone were required to convert their parental trust funds to annuities at retirement, this problem could be alleviated.• Sales have been regulated since 1906, when merchants were required to get authorization from the mayor to liquidate their inventories.• Clearly, research is required to help improve the quality of reporting of meta-analyses.• Companies are legally required to keep records of all their financial transactions.• Under the law the President is required to notify Congress when US troops are likely to be involved in hostilities.• Employers will by law be required to offer employees a choice among at least three so-called Food Benefit Plans.• It was decided in 1983 that students would in future be required to provide their own bed linen and towels.• Visitors are required to register their names on arrival.• When the transition is complete, stations will be required to surrender their analog channels to the federal government.• Second, we must obtain the data that is required to test that model.

From Longman Business Dictionary

requirere·quire /rɪˈkwaɪə-ˈkwaɪr/ verb [transitiveT] formal

1to officially demand that people do something, because of a law or rule

require somebody to do something

the ruling requiring companies to disclose the value of stock

require that

Accounting rules require that corporate financial statements disclose the updated value of assets.

2to need something

At first, CD-ROMs required a special disk drive that cost around $700.

Origin require