gainsay

她无法否认他提出的证据，因为它们都得到了官方记录的支持。

She couldn't ___gainsay the evidence he presented, as it was all supported by official records.

她数十年在业内的诚信声誉无人能否认。

No one can ___gainsay her decades-long reputation for integrity in the industry.

实验结果如此确凿，连最怀疑的人也无力反驳这些发现。

The lab results are so conclusive that even the skeptics cannot ___gainsay the findings.