及物动词
不及物动词
相关词组:vouch for
1. give supporting evidence
e.g. He vouched his words by his deeds
2. summon (a vouchee) into court to warrant or defend a title
3. give surety or assume responsibility
e.g. I vouch for the quality of my products
Synonym: guarantee
4. give personal assurance
guarantee
e.g. Will he vouch for me?