defend

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）。

• defend相关词

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”。

• defend使用方法
• defend详细辨析

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。

• defend更多例句

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

• defend更多词组

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.

• defend剑桥字典
• defend柯林斯字典

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