单词：vouching
v give surety or assume responsibility
v summon (a vouchee) into court to warrant or defend a title
v give supporting evidence
vouching的用法和样例：
例句
- I can vouch for him/his honesty.我可以为他[他的诚实]作担保。
- Experts vouch for the painting's authenticity.由专家确认该画是否为真迹。
- The experts have vouched for the painting's authenticity.专家已经确认了该画是真迹。
- I can vouch for his honesty.我可以为他的诚实做担保。
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