1.捏造;伪造
1.to deliberately make up information that connects someone with a crime
1.She was never able to trump up the courage to have a showdown.
她始终鼓不起勇气摊牌。
2.try as they might , they were unable to trump up a convincing case against him
不管他们怎样努力,都无法对他提出令人信服的控诉。