他试图淡化这次失误的影响，但团队都看出了问题的严重性。

He tried to ___mitigate the impact of the mistake, but the team recognized its severity.

她在演讲中轻描淡写地提到自己的贡献，实际上这些贡献至关重要。

She ___minimized her contributions in the speech, though they were actually crucial.