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)。
用法辨析
- 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”。
v. (動詞)
英汉例句
- He is better at defending than attacking.
他的防禦能力比進攻能力強。 - Finally they took up arms to defend themselves.
他們最後終於拿起武器進行自衛。 - God defends that ever I should do such a thing.
上帝決不允許我做這樣的事。 - 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。
用作動詞 (v.)
用作不及物動詞: S+~(+A)
用作及物動詞: S+~+ n./pron./v -ing
S+~+that-clause
用作賓補動詞: S+~+ n./pron. + adj.
词组短语
- 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
用作動詞 (v.)
~+名詞
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
- 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.
劍橋英英字典
柯林斯英英字典
专业释义
- 辯護
- 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
- 超越
- 保衛