substantiate GREGMAT考研专八雅思托福

they had found nothing to substantiate the allegations.

他有找到任何东西证这些说法。

substantiate an accusation.See Synonyms at confirm

证明，控告参见 confirm

Do you have any proof to substantiate your alibi?

你有证据表明你当时不在犯罪现场吗？

there was little evidence to substantiate the gossip and, by the same token, there was little to disprove it.

有什么证据来证这则小道消息，同样也有证据来反驳它。