swear to do sth
表示郑重承诺自己去做某事，to 后接动词原形。
She swore to keep the secret.
她发誓保守这个秘密。
说脏话；咒骂；骂人
sworn — past participle of swear · irregular form
宣誓；发誓；郑重承诺；断言；保证；使（某人）宣誓；主持（某人）宣誓；宣誓,郑重承诺,并具有法律约束力。；宣誓某一断言为真。
use offensive or profane language
宣誓,郑重承诺,并具有法律约束力。
To take an oath, to promise intensely, solemnly, and/or with legally binding effect.
宣誓某一断言为真。
To take an oath that an assertion is true.
强烈承诺某事为真；强烈断言。
To promise intensely that something is true; to strongly assert.
对某人进行宣誓。
To administer an oath to (a person).
使用冒犯性、亵渎性或淫秽语言。
To use offensive, profane, or obscene language.
一般现在时
I swear this is the truth.
我发誓这是真的。
一般过去时
She swore she would never lie to him.
她发誓永远不会对他撒谎。
现在完成时
He has sworn to keep the secret.
他已发誓保守这个秘密。
不规则动词，过去式是 swore，过去分词是 sworn，注意不要按规则动词加 -ed。
The witness swore to tell the truth in court.
证人在法庭上宣誓要说真话。
用法提示：swore 是动词 swear 的过去式，表示在正式场合宣誓、郑重承诺。
I swear I'll pay you back by Friday.
我发誓周五之前一定把钱还给你。
用法提示：swear 是动词，后接从句表示强烈而郑重地保证某事为真。
They swore to stay together no matter what happened.
他们发誓无论发生什么都要在一起。
用法提示：swore 是动词 swear 的过去式，swear to do sth. 表示郑重承诺去做某事。
表示郑重承诺自己去做某事，to 后接动词原形。
She swore to keep the secret.
她发誓保守这个秘密。
that 从句说明所断言的内容，从句时态常与主句相应变化。
He swore that he had locked the door.
他发誓自己锁了门。
at 后接被骂的对象，此义指说脏话、咒骂。
The driver swore at the car in front of him.
司机对着前面的车骂了几句。
宾语也可放在 in 之后，如 swear in the new jury。
The judge swore the new jury in.
法官主持新陪审团的宣誓就职。
curse 比 swear 更强调恶意诅咒，常用于表示愤怒
cuss 是美式非正式用语，与 swear 意思相同但更口语化
blaspheme 特指对神圣事物的不敬言论，使用场合受限
grammar · medium
易错句子He got angry and swore me in front of everyone.
正确表达He got angry and swore at me in front of everyone.
swear 表示“骂人、说脏话”时是不及物动词，不能直接跟人；要表示“骂某人”，必须用 swear at somebody。这里想表达的是“骂我”，所以要用 swore at me。
grammar · medium
易错句子Yesterday he swear at his boss and got fired.
正确表达Yesterday he swore at his boss and got fired.
swear 的过去式是不规则的 swore，不是 swear。句中 Yesterday 表示过去，因此要用 swore，不能用原形 swear。
grammar · medium
易错句子She swore me that she had finished the report.
正确表达She swore to me that she had finished the report.
swear 表示“向某人发誓/保证”时，听者或对象前必须加介词 to，即 swear to somebody that...。若 swear 后直接跟人（swear somebody），意思会变成“让某人宣誓”（如 swear in a witness），与“向我保证”不同。
针对‘咒骂’义项，反义词为‘祝福’（bless），表示说好话而非脏话。
宣誓
He swore an oath to tell the truth.
他宣誓要说出真相。
宣誓效忠
The soldiers swore allegiance to their country.
士兵们宣誓效忠他们的祖国。
咒骂
She swore at the driver who cut her off.
她咒骂那个突然插到她前面的司机。
以…发誓；深信
Many people swear by this remedy for colds.
很多人深信这种感冒药有效。
使宣誓就职
The president was sworn in last week.
总统上周宣誓就职。
宣誓后作证
与swear的d定义义"宣誓"密切相关，常在同一场景中出现。
与swear的"咒骂"义项同属冒犯性语言领域。
在法庭场景中，swear意为"宣誓"，witness是相关角色。
与swear的"咒骂"或"亵渎"义项涉及对神圣事物的不敬。
与swear的"郑重声明"义项同属正式声明的语义场。
极其信赖；常用……并相信其效果
I swear by this brand of toothpaste; it's the best.
我非常信赖这个牌子的牙膏，它是最好的。
使宣誓就职
The president will be sworn in next week.
总统将于下周宣誓就职。
发誓戒除
He swore off smoking after the health scare.
在健康警示之后，他发誓戒烟。
我发誓，以月亮和天上的星星为证，我会在那里。
This is the chorus of the 1993 hit song 'I Swear' by All-4-One, often used in weddings to express a solemn promise.
这是1993年All-4-One的热门歌曲《I Swear》的副歌，常在婚礼中用来表达庄严的承诺。
我以旧神和新神之名起誓。
This oath is frequently used in the TV series 'Game of Thrones' to make a solemn vow, invoking both ancient and new deities.
这是电视剧《权力的游戏》中常用的誓言，以新旧诸神的名义做出庄严承诺。
Choose the next layer that will help you use sworn with more confidence.
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Missing: Confusing words
Complete this area with confusing words.
Dictionary facts from ECDICT, WIKTIONARY.
He testified under oath that he had seen the accident.
他宣誓后作证说他目睹了事故。