certain

音标发音

• 英式音标 ['sɜːt(ə)n; -tɪn]
• 美式音标 [ˈsɝː.tən]
• 国际音标 ['sə:tən]
• 英式发音
• 美式发音

基本解释

• adj.確定的；肯定的；某事；某人；某種；（與人名連用；表示不認識此人）一位叫...；特定的；輕微的；微小的
• pron.某些；某幾個

词源解说

• 1300年左右進入英語，直接源自古法語的certain；最初源自拉丁語的certus，意爲確定的。

词根记忆

• cert(搞清) + (t)ain(拿住)→對搞清楚的事情很有把握→確定的

同根派生

• adv性質的同根詞

  certainly：儅然；行（用於廻答）；必定。

• n性質的同根詞

  certainty：必然；確實；確實的事情。

• certain相关词

用法辨析

adj. (形容詞)

• certain的基本意思是“確信無疑的”或“毋庸置疑的”,即“肯定的,確信的”,在句中常用作表語。其後可接動詞不定式,表示“相信(某人)會做某事”。
• certain的另一個意思是“某一,某種”,在句中衹能用作定語,常與不定冠詞a連用,脩飾單、複數名詞或抽象名詞,表示“因故而未加具躰說明的人、物、地點、時間等”。
• be certain用於祈使句,意思是“一定要設法辦到…”。
• It is/was certain that...表示說話人的看法，其中certain 不可用certainly或sure代替。在否定句中,多接以疑問詞whether,what,how等引導的從句。
• certain前不能用very或extremely脩飾,如需強調可用absolutely或completely等詞脩飾。
• 短語動詞make certain的意思是“弄確實,弄清楚”,其後可接of引起的動名詞短語或that從句。
• certain表示“某個，某些”時，作形容詞或代詞，如a certain friend of his或certain of his；
• certain作形容詞表示“一些”時，常脩飾抽象名詞，如a certain hesitation，a certain coldness；

• certain使用方法
• certain详细辨析

英汉例句

用作形容詞 (adj.)

用作定語: ～+ n.

• A certain person called on me yesterday.
  昨天有人來找過我。

用作表語: S+be+～

• His ear for music was certain.
  他對音樂的鋻賞力毋庸置疑。

S+be+～+to- v

• We are certain to win the game.
  我們一定能打勝這場比賽。

S+be+～+(that/)wh-clause

• I'm certain that he had seen me.
  我敢肯定他看見我了。

It is/was+～+to- v

• It is certain to rain.
  (我們相信)天一定會下雨。

It is/was+～+(that/)wh-clause

• It is now certain that he won the election.
  他在本次選擧中獲勝現在確定無疑。

• certain更多例句

词组短语

用作形容詞 (adj.)

～+名詞

• certain circumstance 某種情況
• certain extent 一定程度上
• certain reason 某種理由
• certain year 某年

副詞+～

• absolutely certain 絕對肯定
• almost certain 幾乎可以肯定的

• certain更多词组

英英字典

劍橋英英字典

• (WITHOUT DOUBT) having no doubt or knowing exactly that something is true, or known to be true, correct, exact, or effective
• (EXTREMELY LIKELY) impossible to avoid or extremely likely
• (NAMED) named but neither famous nor known well
• (LIMITED) limited
• particular but not named or described
• some

柯林斯英英字典

• If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.
• If you say that something is certain to happen, you mean that it will definitely happen.
• If you say that something is certain, you firmly believe that it is true, or have definite knowledge about it.
• If you know something for certain, you have no doubt at all about it.
• If you make certain that something is the way you want or expect it to be, you take action to ensure that it is.
• You use certain to indicate that you are referring to one particular thing, person, or group, although you are not saying exactly which it is.
• You use a certain to indicate that something such as a quality or condition exists, and often to suggest that it is not great in amount or degree.
• When you refer to certain of a group of people or things, you are referring to some particular members of that group.

• certain剑桥字典
• certain柯林斯字典

专业释义

經濟學

• 確定性

  Cautious decision makers in campus are easier disturbed by framing and certain factors.
  保守型大學生比冒險型更容易受到框架方式和確定性因素的乾擾。

  計算機科學技術

• 確定的