| 单词 | certain |
| 释义 | Word Frequency certain(ˈsɜːtən) adjective 1. (postpositive) positive and confident about the truth of something; convinced I am certain that he wrote a book 2. (usually postpositive) definitely known it is certain that they were on the bus 3. (usually postpositive) sure; bound; destined he was certain to fail 4. decided or settled upon; fixed the date is already certain for the election 5. unfailing; reliable his judgment is certain 6. moderate or minimum to a certain extent 7. make certain of adverb 8. for certain determiner 9. a. known but not specified or named certain people may doubt this b. (as pronoun; functioning as plural) certain of the members have not paid their subscriptions 10. named but not known he had written to a certain Mrs Wong Word origin C13: from Old French, from Latin certus sure, fixed, from cernere to discern, decide |
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