vouched
v.
保证( vouch的过去式和过去分词 );
担保;
确定;
确定地说;
例句:
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He vouched his words by his deeds.
他用自己的行动证明了自己的言辞.
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Have all those present been vouched for?
那些到场的人都有担保 吗 ?
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Von Roenne vouched for their veracity as well.
来自NEWYORKER
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Those who vouched for Mr Mbaru on social media were nowhere near the polling stations.
来自BBC
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Only members who have been vouched for three times have the power to issue such an endorsement.
来自NEWYORKER