1
take an oath (to do sth)
常用于法庭或正式场合。
He took an oath to tell the truth.
他宣誓说实话。
脏话；咒骂
先理解核心含义，再看它在真实句子里的用法。
脏话；咒骂
a profane or obscene expression, usually used to express surprise or anger
He took an oath to tell the truth.
他宣誓说实话。
庄严的誓言或承诺,通常涉及神灵、统治者或其他实体(不一定在场)以证明声明的真实性或履行合同或承诺的诚意
A solemn pledge or promise that invokes a deity, a ruler, or another entity (not necessarily present) to attest the truth of a statement or sincerity of one's desire to fulfill a contract or promise.
亵渎或淫秽的用语,常表示惊讶或愤怒
profane or obscene expression usually of surprise or anger
通过誓言加强的声明或承诺。
A statement or promise which is strengthened (affirmed) by such a pledge.
说实话的承诺(尤指在法庭上);在宣誓下说谎会因伪证罪被起诉
a commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury
He muttered an oath when he saw the parking ticket on his windshield.
他看到挡风玻璃上的罚单时，低声骂了一句。
AI contextual example
The old man let out a string of oaths after dropping his phone in the sink.
老人在手机掉进水池后，骂了一连串脏话。
AI contextual example
She apologized for the oath she used in front of the children.
她为在孩子们面前说的脏话道歉。
AI contextual example
they took an oath of allegiance
他们宣誓效忠。
WordNet
常用于法庭或正式场合。
He took an oath to tell the truth.
他宣誓说实话。
与take an oath类似，但更强调发誓的动作。
She swore an oath that she would never lie.
她发誓永不撒谎。
表示在宣誓的约束下，常用于法律语境。
The witness was under oath when she gave her testimony.
证人在宣誓后作证。
指说脏话或咒骂。
He uttered an oath when he stubbed his toe.
他撞到脚趾时骂了一句。
Not this
He oathed to tell the truth.
Use this
He swore an oath to tell the truth.
“Oath”是名词，不能当动词使用；正确动词应为“swear”或“take an oath”。
Not this
He took oath before testifying.
Use this
He took an oath before testifying.
“Oath”是可数名词，单数形式需带冠词“an”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
宣誓；发誓
The witness took an oath to tell the truth.
证人宣誓要说真话。
发誓；宣誓
He swore an oath of loyalty to the king.
他向国王宣誓效忠。
宣誓后；在宣誓的约束下
She testified under oath in court.
她在法庭上宣誓后作证。
违背誓言；食言
He broke his oath and revealed the secret.
他违背誓言，泄露了秘密。
遵守誓言
She always keeps her oath no matter what.
无论发生什么，她都遵守自己的誓言。
就职誓言
The president took the oath of office on the Constitution.
总统手按宪法宣誓就职。
在宣誓下
He lied under oath.
他在宣誓下说谎了。
宣誓
She took an oath to tell the truth.
她宣誓要说实话。
就职宣誓
The president recited the oath of office.
总统宣读了就职宣誓。
发长 /oʊ/ 音 (如 boat, coat)
Use oath naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象在法庭上举手宣誓（oath），嘴里说'我发誓'；若愤怒时脱口而出的脏话也是oath。记住'o'像张开的嘴，'th'像舌头，表示说出来的话。
语域：formal 常见场景：法庭、宣誓仪式、宗教场合 “oath”通常用于正式场合，表示庄严的誓言，常涉及法律或宗教语境。
Words with genuine rhyme: both, loath (stressed vowel /oʊ/ + /θ/). Lookalikes with different vowel sounds: booth /buːθ/, cloth /klɔθ/, moth /mɔθ/, broth /brɔθ/.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.