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1·Are you willing to vouch for him?

你愿意为他担保吗？《牛津词典》

2·I can vouch for her ability to work hard.

我保证她能够努力工作。《牛津词典》

3·He cannot vouch for the accuracy of the story.

他不能证明报道的准确性。《柯林斯英汉双解大词典》

4·Kim's mother agreed to vouch for Maria and get her a job.

金的母亲同意为玛丽亚担保，好让她找到一份工作。《柯林斯英汉双解大词典》

5·I was in bed with the flu. My wife can vouch for that.

我患流感卧床休息了。我的妻子可为此作证。《牛津词典》

6·My friends will vouch for me.

我的朋友们可以为我作保。

7·I can vouch for his honesty.

我可以为他的诚实做担保。

8·Yeah, we do, I can vouch for that.

的确是，我可以向你保证。

9·And I can vouch for that firsthand.

我可以保证这第一手资料。

10·I said, yeah, I'm going to vouch for.

我说，是，我给他担保，因为我相信他。

担保

1·The woman had been taking an oral contraceptive regularly and her gynaecologist could not vouch for her wish to start a family - a routine question in that area of medicine.

该女子经常服用口服避孕药，她的妇科医生不能担保她愿意开始有一个家庭-这是医学领域上的一个例行问题。

2·We can't vouch for Verizon's 3G network in parts of the country we haven't visited, but wandering around New York City, we always had three or the full four bars of service.

虽然主站编辑不敢担保在其他没去过的地方Verizon 3G网络的质量，不过在纽约市区总可保持3~4格（满格）的讯号强度。

3·Obversely, suppliers seeking accreditation carrying more weight than their own claims of compliance could also retain the same auditing bodies to vouch for their systems.

很明显，认可比自我声称符合标准分量更重，供应商也雇用同样的审核公司来担保它们的体系。

4·I can personally vouch for this myself as I have let many short stories die for just such a reason.

我能以个人担保这点。因为过去我正是因此而让许多短篇故事夭折。

5·I am ready to vouch for the truth of the report.

我愿担保这一报导的真实性。

保证

1·I do not vouch for the truth of this story.

我不敢保证这个故事准是真的。

2·And I can vouch for that firsthand.

我可以保证这第一手资料。

3·I can't vouch for the accuracy of my memory.

我无法保证我的记忆正确无误。

4·We are ready to vouch for the truth of the report.

我们愿意保证这一报导的真实性。