vouches
v. 保证( vouch的第三人称单数 ); 担保; 确定; 确定地说
Who vouches for your good conduct? "
谁是你的保人? ”
This paper vouches for the authenticity of the painting.
这份文件担保这幅画的可信赖姓.
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.