"they took vows of poverty"
"He vowed never to drink alcohol again"
With Vows and suppliant Pray'rs appease.
I made a..vow..that I would not talk seriously.
He had reformed and vowed to turn from his sinful ways.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)