vouches
v.
保证( vouch的第三人称单数 );
担保;
确定;
确定地说;
例句:
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Who vouches for your good conduct? "
谁是你的保人? ”
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This paper vouches for the authenticity of the painting.
这份文件担保这幅画的可信赖姓.
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The success of the campaign vouches for the candidate popularity.
竞选的成功证实了这位候选人的名望.