vouch
vi. 保证; 担保; 确定; 确定地说
vt. (因亲眼看见而)为…作证; 断定; <律>传(某人)出庭作证
1. give personal assurance; guarantee;
2. give surety or assume responsibility;
3. summon (a vouchee) into court to warrant or defend a title
4. give supporting evidence;
Since I got the news at second hand, I cannot vouch for its veracity.
这消息是我间接得来的, 我不能保证它的真实性.
I can vouch for his honesty.
我可以为他的诚实做担保.
Don't ask new contacts to vouch for you; that's not fair.
不要拜托新认识的人为你担保, 那是不合理的.
I've read this report carefully and I can vouch for its truthfulness.
我已仔细看过这份报告,我可以保证它的真实性.
I can't vouch for the accuracy of my memory.
我无法保证我的记忆正确无误.