1 VERB 咒骂;诅咒;说脏话 If someone swears, they use language that is considered to be rude or offensive, usually because they are angry. 咒骂;诅咒;说脏话
SYN curse, cuss [informal] , blaspheme, turn the air blue [informal]
2 VERB 发誓要;郑重承诺 If you swear to do something, you promise in a serious way that you will do it. 发誓要;郑重承诺
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Alan swore that he would do everything in his power to help us. [VERB that]
艾伦许诺要尽其所能帮助我们。
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We have sworn to fight cruelty wherever we find it. [VERB to-infinitive]
我们发誓要见恶除恶。
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The police are the only civil servants who have to swear allegiance to the Crown. [VERB noun]
警察是唯一要宣誓效忠君主的公务员。
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I have sworn an oath to defend her. [VERB noun]
我发誓要保护她。
SYN vow, promise, take an oath, warrant
3 VERB 发誓，郑重声明，保证(所说属实) If you say that you swear that something is true or that you can swear to it, you are saying very firmly that it is true. 发誓，郑重声明，保证(所说属实) [emphasis]
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I swear I've told you all I know. [VERB that]
我发誓我已经把我所知道的全都告诉你了。
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I swear on all I hold dear that I had nothing to do with this. [V + on/by]
我以身家性命担保，我和这件事无关。
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Behind them was a confusion of noise, perhaps even a shot, but he couldn't swear to it. [VERB + to]
他们身后响起一片嘈杂声，也许还有枪击声，但他不能确定。
SYN declare, assert, affirm, swear blind
4 VERB [usually passive] 使发誓，使承诺(保守秘密) If someone is sworn to secrecy or is sworn to silence, they promise another person that they will not reveal a secret. 使发誓，使承诺(保守秘密)
Phrasal verbs: - swear byswear in
Quotations
Swear not by the moon, the inconstant moon William Shakespeare Romeo and Juliet
As he knew not what to say, he swore Lord Byron The Island
| Word Partnership | Use swear with: |
| N. | swear words 1 swear allegiance, swear an oath 2 |
| ADV. | solemnly swear 3 |
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