動詞 vouch:

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

1. I can vouch for him/his honesty.
   我可以為他[他的誠實]作擔保。
2. Experts vouch for the painting's authenticity.
   由專家確認該畫是否為真跡。
3. The experts have vouched for the painting's authenticity.
   專家已經確認了該畫是真跡。
4. I can vouch for his honesty.
   我可以為他的誠實做擔保。