1
defend + noun
及物动词，直接接被保护的对象。
The army defended the city bravely.
军队勇敢地保卫了这座城市。
保护，防卫
先理解核心含义，再看它在真实句子里的用法。
保护，防卫
protect against attack or harm
The army defended the city bravely.
军队勇敢地保卫了这座城市。
如：defend the country
用言语或文字支持；为...辩护,说好话。
To support by words or writing; to vindicate, talk in favour of.
进行法律辩护；代表(被告)。
To make legal defence of; to represent (the accused).
专注于阻止对手得分,而非专注于得分。
To focus one's energies and talents on preventing opponents from scoring, as opposed to focusing on scoring.
(板球测试赛)防守性击球,节省体力并消耗投手,以备后期进攻。
Mostly in tests. The action of not putting force into hitting a shot, but to conserve energy and wear down bowlers so they can attack later.
defend
Base
原形
defends
3rd person
第三人称单数
defending
-ing
现在分词
defended
Past
过去式
defended
Past participle
过去分词
She defends her ideas strongly.
她强烈捍卫自己的想法。
They defended the city bravely.
他们勇敢地保卫了城市。
He is defending his thesis now.
他正在为他的论文答辩。
We have defended our rights.
我们已经捍卫了我们的权利。
规则动词，过去式和过去分词加-ed。
The lawyer defended her client in court.
律师在法庭上为她的委托人辩护。
The team defended their title successfully.
该队成功卫冕了冠军头衔。
She learned karate to defend herself against attackers.
她学习空手道来防卫自己免受攻击。
及物动词，直接接被保护的对象。
The army defended the city bravely.
军队勇敢地保卫了这座城市。
强调防御来自某方的攻击。
We need to defend against cyber attacks.
我们需要防御网络攻击。
明确保护对象与威胁来源。
The vaccine defends the body against the virus.
疫苗保护身体免受病毒侵害。
用于法律或辩论场景。
He hired a lawyer to defend him in court.
他雇了一位律师在法庭上为他辩护。
Not this
We must defend of our country.
Use this
We must defend our country.
defend 是及物动词，直接跟宾语，不需要加介词 of。中文表达“保卫我们的国家”直接对应 defend our country。
Not this
He defended for his friend in the court.
Use this
He defended his friend in the court.
defend 表示“为…辩护”时是及物动词，直接跟被辩护的人，不需要加介词 for。中文“为朋友辩护”对应 defend his friend。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
防御，保卫…免受
They built a wall to defend against invaders.
他们筑起一道墙来防御入侵者。
自卫；为自己辩护
She learned karate to defend herself.
她学习空手道来保护自己。
捍卫某人的权利
Citizens must defend their rights against abuse.
公民必须捍卫自己的权利免受侵犯。
保卫国家
Soldiers are trained to defend the country.
士兵接受训练以保卫国家。
捍卫立场/阵地
The lawyer defended his position in court.
律师在法庭上捍卫自己的立场。
捍卫自己的立场
He defended his position during the debate with strong arguments.
他在辩论中用有力的论据捍卫了自己的立场。
自卫；为自己辩护
She learned self-defense to defend herself against potential attacks.
她学习防身术以在潜在的攻击中自卫。
防御；抵御
The army must defend against any foreign invasion.
军队必须抵御任何外来入侵。
我将保卫这个国家以及所有生活在这里的人。
Line from the movie 'Patriot' (2000), spoken by Benjamin Martin.
出自电影《爱国者》（2000年），由本杰明·马丁所说。
保护弱者，守护无辜。
Motto of many superheroes, notably Superman.
许多超级英雄的座右铭，尤其是超人。
Use defend naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
defend 中 de 像‘底’，fend 像‘防’，联想‘底部防守’，保护自己或他人。
中性到正式语体，常见于法律辩护、体育防守及一般防卫场景。及物用法居多，亦可接against表示对抗。例如：They defended the castle against attack.（他们保卫城堡抵御攻击。）
常用作及物动词，后接宾语；也可作不及物动词，常与against连用
Dictionary facts from ECDICT, WIKTIONARY.