| 释义 |
verb | noun estimateestimate1 /ˈɛstəˌmeɪt/ ●●○ S3 W3 AWL verb [transitive] VERB TABLEestimate |
| Present | I, you, we, they | estimate | | he, she, it | estimates | | Past | I, you, he, she, it, we, they | estimated | | Present perfect | I, you, we, they | have estimated | | he, she, it | has estimated | | Past perfect | I, you, he, she, it, we, they | had estimated | | Future | I, you, he, she, it, we, they | will estimate | | Future perfect | I, you, he, she, it, we, they | will have estimated |
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| Present | I | am estimating | | he, she, it | is estimating | | you, we, they | are estimating | | Past | I, he, she, it | was estimating | | you, we, they | were estimating | | Present perfect | I, you, we, they | have been estimating | | he, she, it | has been estimating | | Past perfect | I, you, he, she, it, we, they | had been estimating | | Future | I, you, he, she, it, we, they | will be estimating | | Future perfect | I, you, he, she, it, we, they | will have been estimating |
► An estimated An estimated one billion people watch the World Cup on TV. THESAURUSwithout being sure► guess to try to answer a question or make a judgment about something without knowing all the facts so that you are not sure whether you are correct: I think she’s about 30, but I’m only guessing. ► take/make a guess take a guess and make a guess mean the same as guess, but sound slightly more informal: How old do you think I am? Take a guess. ► estimate to make a guess about a number or amount based on the information you know: She estimated that it would take three weeks to finish the project. ► underestimate to think that something is smaller, cheaper, less important, or easier than it really is: They underestimated how much it would cost and then ran out of money. ► overestimate to think that something is bigger, longer, harder, or more important than it really is: We overestimated the number of people who would come, so we had way too much food. ► speculate formal to guess about the possible causes or effects of something, without knowing all the facts: People are always speculating about who will win the election, but no one really knows. nearly but not completely exact, used especially about a number, amount, or time that is a little more or less than the exact number, amount, etc.► approximatenearly but not completely exact, used especially about a number, amount, or time that is a little more or less than the exact number, amount, etc.: The approximate cost of materials for the class should be around $25. ► rough not exact or not containing many details: Can you give me a rough idea of when you’ll be home? ► imprecise formal imprecise information is not exact, complete, or clear: Asking people what they eat each day gives you imprecise data, because people do not always tell you everything. ► inexact formal not exact and not correct in every detail: Predicting earthquakes is an inexact science, so we can never give an accurate warning of when one will occur. ► estimated not exact, but based on information that you have. Used about numbers, costs, and amounts: The car was traveling at an estimated 80 miles per hour when it hit the wall. math to try to judge the value, size, speed, cost, etc. of something, partly by calculating and partly by guessing: The committee did not estimate how much such a program would cost.estimate (that) We estimate that over 75% of our customers are women.be estimated to be/do something The tree is estimated to be at least 700 years old.estimate something at something Organizers estimated the crowd at 50,000.► see thesaurus at guess1—estimated adjective: the estimated cost of the project An estimated one billion people watch the World Cup on TV.► see thesaurus at approximate1—estimator noun [countable] verb | noun estimateestimate2 /ˈɛstəmɪt/ ●●○ W3 AWL noun [countable] ETYMOLOGYestimate2Origin: 1500-1600 Latin, past participle of aestimare to think important verbs► make an estimate If you don’t know the exact number, make a rough estimate. ► give (somebody) an estimate (also provide (somebody with) an estimate formal) The contractor is going to give us an estimate for the work. Could you ask him if he can provide us with an estimate? ► base an estimate on something (=use something as information to give an estimate) The government based its estimate on data from the 2008 census. ► put an estimate on something (=say the amount that you think something is) It is impossible to put an estimate on the value of the manuscript. ► estimates range/vary from something to something Estimates of the number of homeless people in the city range from 6,000 to 10,000. ► an estimate puts something at something Independent estimates put the number of refugees at 50,000. adjectives► a rough/approximate estimate (=not exact) Can you give me a rough estimate of how much the repairs will cost? ► an accurate/reliable estimate (=fairly exact) There’s no reliable estimate of the number of protesters. ► somebody’s/the best estimate (=the most accurate estimate) According to the best scientific estimates, this took place about 3.7 billion years ago. ► a conservative estimate (=a deliberately low estimate) By conservative estimates, 2.5 million people die each year from smoking cigarettes. ► an official estimate (=one accepted by people in authority) According to official army estimates, more than 500 rebels had been killed. ► current/recent estimates (=ones that are accepted now) According to current estimates, the country can expect 200,000 visitors in the next three years. ► the latest estimates (=the most recent ones) The latest estimates are that sea levels could rise by about 7 inches by 2050. ► the initial estimate (=the first estimate) Actual sales grew by 4%, down from the initial estimate of 7%. ► earlier/previous estimates These amounts are much higher than those given in previous estimates. ► the original estimate (=the one given at the beginning of a process) The final cost was nearly three times the original estimate. 1math a calculation or judgment of the value, size, amount, etc. of something: Give us a rough estimate of how long the job will take (=not an exact calculation). Some estimates put the number of deaths at several thousand. It will cost at least $300,000, and that’s a conservative estimate (=a deliberately low one). According to some estimates, an acre of forest is cleared every minute. → see also guesstimate2a statement of how much it will probably cost to build or repair something: We got two or three estimates on the car. [Origin: 1500–1600 Latin, past participle of aestimare to think important]COLLOCATIONS– Meanings 1 & 2verbsmake an estimate If you don’t know the exact number, make a rough estimate.give (somebody) an estimate (also provide (somebody with) an estimate formal) The contractor is going to give us an estimate for the work. Could you ask him if he can provide us with an estimate?base an estimate on something (=use something as information to give an estimate) The government based its estimate on data from the 2008 census.put an estimate on something (=say the amount that you think something is) It is impossible to put an estimate on the value of the manuscript.estimates range/vary from something to something Estimates of the number of homeless people in the city range from 6,000 to 10,000.an estimate puts something at something Independent estimates put the number of refugees at 50,000.adjectivesa rough/approximate estimate (=not exact) Can you give me a rough estimate of how much the repairs will cost?an accurate/reliable estimate (=fairly exact) There’s no reliable estimate of the number of protesters.somebody’s/the best estimate (=the most accurate estimate) According to the best scientific estimates, this took place about 3.7 billion years ago.a conservative estimate (=a deliberately low estimate) By conservative estimates, 2.5 million people die each year from smoking cigarettes.an official estimate (=one accepted by people in authority) According to official army estimates, more than 500 rebels had been killed.current/recent estimates (=ones that are accepted now) According to current estimates, the country can expect 200,000 visitors in the next three years.the latest estimates (=the most recent ones) The latest estimates are that sea levels could rise by about 7 inches by 2050.the initial estimate (=the first estimate) Actual sales grew by 4%, down from the initial estimate of 7%.earlier/previous estimates These amounts are much higher than those given in previous estimates.the original estimate (=the one given at the beginning of a process) The final cost was nearly three times the original estimate. |