vouches
v. 保證( vouch的第三人稱單數 ); 擔保; 確定; 確定地說
Who vouches for your good conduct? "
誰是你的保人? ”
This paper vouches for the authenticity of the painting.
這份檔案擔保這幅畫的可信賴姓.
The success of the campaign vouches for the candidate popularity.
競選的成功證實了這位候選人的名望.