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. 辩护；防护
• vi. 保卫；防守

词源解说

• 13世纪中期进入英语，直接源自古法语的defendre；最初源自古典拉丁语的defendere：de (离开） + fendere (击打，推），意为击打开来，推开。

词根记忆

• de(使没有) + fend(打击)→使不受打击→防御；防护

同根派生

• adj性质的同根词

  defendant：辩护的；为自己辩护的。

  defensive：自卫的；防御用的。

  defending：卫冕的；防御中的；防守型的。

  defensible：可防御的；可辩护的；可拥护的。

  defenseless：无防备的。

  defenceless：（英）无防御的；无保护的。

  defendable：可防御的。

• adv性质的同根词

  defensively：防御地；守势地。

• n性质的同根词

  defense：防卫，防护；防御措施；防守；vt.谋划抵御。

  defence：防御；防卫；答辩；防卫设备。

  defendant：被告。

  defensive：防御；守势。

  defender：防卫者，守卫者；辩护者；拥护者；卫冕者。

  defensiveness：防御；防御性。

  defenselessness：无防御。

• v性质的同根词

  defending：防护；防卫（defend的ing形式）。

• defend相关词

用法辨析

v. (动词)

• defend的基本意思是避开危险和进攻以保证安全,指使用某种方法避开实际的威胁或击退实际的攻击。引申可指坚持、捍卫某种行动、意见、决定或捍卫某种原则的纯洁性。
• defend可用作不及物动词,也可用作及物动词,用作及物动词时,按名词、代词或that从句作宾语。偶尔也可接双宾语,可用于被动结构。
• defend常与against连用表示“防守,捍卫”; 与from连用表示“保护…以防,使…免遭危害”。

• defend使用方法
• defend详细辨析

英汉例句

用作动词 (v.)

用作不及物动词: S+～(+A)

• He is better at defending than attacking.
  他的防御能力比进攻能力强。

用作及物动词: S+～+ n./pron./v -ing

• Finally they took up arms to defend themselves.
  他们最后终于拿起武器进行自卫。

S+～+that-clause

• God defends that ever I should do such a thing.
  上帝决不允许我做这样的事。

用作宾补动词: S+～+ n./pron. + adj.

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

• defend更多例句

词组短语

用作动词 (v.)

～+名词

• defend a place 保卫一个地方
• defend a theory 支持某种理论
• defend a child 保护孩子
• defend interests of 捍卫…的利益
• defend one 's title 保住某人的权力

• defend更多词组

英英字典

剑桥英英字典

• (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

法学

• 辩护

计算机科学技术

• 防御

  Identity authentication and access control are the major security mechanisms to defend active attack.
  身份认证与访问控制是信息系统防御主动攻击的主要安全机制。

  经济学

• 防范

  Commercial bank credit management can defend liquidity and security, keep away risk of finance.
  商业银行信用管理对预防和加强银行流动性和安全性，防范和化解信用风险等起着极其重要的作用。

  电子、通信与自动控制技术

• 防御

  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.
  现代海战中，水面舰艇为了防御采用末制导雷达的反舰导弹的攻击，普遍施放了成本低廉效果明显的箔条干扰。

  体育

• 防守

艺术学

• 超越

交通运输工程

• 保卫