词典释义：
[reporting verb]make a solemn statement or promise undertaking to do something or affirming that something is the case
发誓；保证
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[with clause]
Maria made me swear I would never tell anyone 玛丽亚让我起誓永远不告诉任何人
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I swear by all I hold dear that I had nothing to do with it 我以我所有最珍贵的东西起誓我和这件事情毫无关联
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[with infinitive]
he swore to obey the rules 他保证会遵守规则
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[with direct speech]
‘Never again,’ she swore, ‘will I be short of money’ 她发誓说：“我永远都不会再缺钱了”
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[with obj.]
they were reluctant to swear allegiance .他们不情愿地发誓效忠。
[with obj.]take (an oath)
宣誓
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he forced them to swear an oath of loyalty to him .他强迫他们宣誓要对他效忠。
[with obj.]take a solemn oath as to the truth of (a statement)
宣誓保证（说的是真话）
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I asked him if he would swear a statement to this effect .我问他是否愿意发誓作出大意如此的声明。
[with obj.](
宣誓就职
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he was sworn in as president on 10 July .他于７月１０号宣誓就任总统。
[with obj.]make (someone) promise to observe a certain course of action
使宣誓，命…宣誓；以誓言约束
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I've been sworn to secrecy .我已经起誓要保守秘密。
[no obj., usu. with negative](
保证…确定无疑
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I couldn't swear to it, but I'm pretty sure it's his writing .我不能保证，但我相当肯定这是他的笔迹。
[no obj.](
〈非正式〉 保证戒掉
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I'd sworn off alcohol .我已保证戒酒。
[no obj.](
〈非正式〉 极其信赖；推荐
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Iris swears by her yoga .艾里斯极其相信瑜珈。
[no obj.]use offensive language, especially as an expression of anger
诅咒；咒骂
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Peter swore under his breath .彼得低声骂了一句。
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swear blind （或 〈北美〉swear up and down ）Brit .informal affirm something emphatically 〈英，非正式〉 断定，一口咬定his informant swore blind that the weapons were still there . 他的线人一口咬定说武器还在那里
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swear something out US Law obtain the issue of （a warrant for arrest） by making a charge on oath 【美律】 经宣誓保证所控属实后发给（拘捕证）
"Old English
