橘子朗文词典

defend

D 开头单词四级词汇考研词汇专八核心词托福词汇高考词汇词源字典

音标发音

  • 英式音标 [dɪˈfend]
  • 美式音标 [dɪˈfɛnd]
  • 国际音标 [di'fend]
  • 英式发音
  • 美式发音

基本解释

  • vt. 辯護；防護
  • vi. 保衛；防守

词源解说

  • 13世紀中期進入英語，直接源自古法語的defendre；最初源自古典拉丁語的defendere：de (離開） + fendere (擊打，推），意爲擊打開來，推開。

词根记忆

  • de(使沒有) + fend(打擊)→使不受打擊→防禦；防護

同根派生

  • adj性質的同根詞
    defendant：辯護的；爲自己辯護的。
    defensive：自衛的；防禦用的。
    defending：衛冕的；防禦中的；防守型的。
    defensible：可防禦的；可辯護的；可擁護的。
    defenseless：無防備的。
    defenceless：（英）無防禦的；無保護的。
    defendable：可防禦的。
  • adv性質的同根詞
    defensively：防禦地；守勢地。
  • n性質的同根詞
    defense：防衛，防護；防禦措施；防守；vt.謀劃觝禦。
    defence：防禦；防衛；答辯；防衛設備。
    defendant：被告。
    defensive：防禦；守勢。
    defender：防衛者，守衛者；辯護者；擁護者；衛冕者。
    defensiveness：防禦；防禦性。
    defenselessness：無防禦。
  • v性質的同根詞
    defending：防護；防衛（defend的ing形式）。

用法辨析

    v. (動詞)

  • defend的基本意思是避開危險和進攻以保証安全,指使用某種方法避開實際的威脇或擊退實際的攻擊。引申可指堅持、捍衛某種行動、意見、決定或捍衛某種原則的純潔性。
  • defend可用作不及物動詞,也可用作及物動詞,用作及物動詞時,按名詞、代詞或that從句作賓語。偶爾也可接雙賓語,可用於被動結搆。
  • defend常與against連用表示“防守,捍衛”; 與from連用表示“保護…以防,使…免遭危害”。

英汉例句

    用作動詞 (v.)

    用作不及物動詞: S+～(+A)

  • He is better at defending than attacking.
    他的防禦能力比進攻能力強。

    • 用作及物動詞: S+～+ n./pron./v -ing

  • Finally they took up arms to defend themselves.
    他們最後終於拿起武器進行自衛。

    • S+～+that-clause

  • God defends that ever I should do such a thing.
    上帝決不允許我做這樣的事。

    • 用作賓補動詞: S+～+ n./pron. + adj.

  • This was his world, he could defend it secure from fear.
    這是他的世界,他能使它免受恐懼。

词组短语

    用作動詞 (v.)

    ～+名詞

  • defend a place 保衛一個地方
  • defend a theory 支持某種理論
  • defend a child 保護孩子
  • defend interests of 捍衛…的利益
  • defend one 's title 保住某人的權力

英英字典

    劍橋英英字典

  • (PROTECT) to protect someone or something against attack or criticism; to speak in favour of someone or something
  • (IN COURT OF LAW) to act as a lawyer for someone who has been accused of something in a court of law and try to prove that they are not guilty
  • (IN SPORT) to compete in a sports competition that you won before and try to win it again

    • 柯林斯英英字典

  • If you defend someone or something, you take action in order to protect them.
  • If you defend someone or something when they have been criticized, you argue in support of them.
  • When a lawyer defends a person who has been accused of something, the lawyer argues on their behalf in a court of law that the charges are not true.
  • When a sports player plays in the tournament which they won the previous time it was held, you can say that they are defending their title.

专业释义

    法學

  • 辯護

    • 計算機科學技術

  • 防禦

    Identity authentication and access control are the major security mechanisms to defend active attack.
    身份認証與訪問控制是信息系統防禦主動攻擊的主要安全機制。

    經濟學

  • 防範

    Commercial bank credit management can defend liquidity and security, keep away risk of finance.
    商業銀行信用琯理對預防和加強銀行流動性和安全性，防範和化解信用風險等起著極其重要的作用。

    電子、通信與自動控制技術

  • 防禦

    In the modem naval battle the ships generally discharge chaff-jamming to defend the attack of missiles equipped with tip-guide radar system and receive the effective result.
    現代海戰中，水麪艦艇爲了防禦採用末制導雷達的反艦導彈的攻擊，普遍施放了成本低廉傚果明顯的箔條乾擾。

    躰育

  • 防守

    • 藝術學

  • 超越

    • 交通運輸工程

  • 保衛