vouch

vouch vt.

擔保, 推薦, 證明, 斷定, 傳出庭作證

vi.

保證, 擔保, 證明, 確定

英英解釋:動詞vouch:
1. give personal assurance; guarantee
2. give surety or assume responsibility
同義詞：guarantee
3. summon (a vouchee) into court to warrant or defend a title
4. give supporting evidence