certain
英 [ˈsɜː.tən]
美 [ˈsɝː.tən]
- adj. 某一；必然的；确信；无疑的；有把握的
- pron. 某些；某几个
- n. (Certain)人名；(葡)塞尔塔因；(法)塞尔坦
使用频率:
记忆方法
将“certain”与“certainty”关联记忆，想象持有“certainty”（确定）的信念或把握，那么“certain”这个形容词就是表达这种确定的性质。这种方法通过关联名词和形容词来帮助记忆单词的含义。
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中文词源
certain 确定
来自PIE*krei, *sker, 切，分开。词源同crisis, crime, discriminate, shear.
英语词源
- certain
-
certain: [13] Certain comes ultimately from Latin certus ‘sure, fixed’, which derived from the past participle of the verb cernere ‘decide’. The Latin adjective was extended in Vulgar Latin to *certānus, which passed into English via Old French certain. Other English words based on certus include certify [14] (from late Latin certificāre) and its derivative certificate, and certitude [15] (from late Latin certitūdō).
=> crime, crisis, decree, discern, discrete, discriminate, excrement, riddle, secret - certain (adj.)
- c. 1300, "determined, fixed," from Old French certain "reliable, sure, assured" (12c.), from Vulgar Latin *certanus, from Latin certus "sure, fixed, settled, determined" (also source of Italian certo, Spanish cierto), originally a variant past participle of cernere "to distinguish, decide," literally "to sift, separate" (see crisis).
Of persons, "full of confidence in one's knowledge or judgment," from mid-14c. Euphemistic use (of a certain age, etc.) attested from mid-18c. Certainer, certainest were common to c. 1750, but have fallen from proper use for some reason. Expression for certain "assuredly" is attested by early 14c.
权威例句
- 1. There is a certain impatience among some of the soldiers.
- 有些士兵有点儿不耐烦。
- 2. Over the years he's demonstrated a certain prescience in foreign affairs.
- 这些年来，他已经在外交事务方面表现出一定的预见性。
- 3. I feel certain that it will all turn out well.
- 我觉得最后肯定会皆大欢喜。
- 4. There are certain things he does that drive me mad.
- 他的某些举动让我很生气。
- 5. Parents can programme the machine not to turn on at certain times.
- 父母可以设定这台机器的程序，使它在特定时间段无法开启。
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