难以置信

The story of the flying elephant was utterly implausible, as it defied all known laws of physics.
这个关于飞天大象的故事完全不可信，因为它违背了所有已知的物理定律。
The defendant's alibi was highly implausible given the overwhelming evidence against him.
考虑到针对被告的压倒性证据，他的不在场证明显得极不合理。
Their claim that they completed the marathon in under two hours is simply implausible without any proof.
他们声称在两小时内完成了马拉松比赛，但在没有证据的情况下这根本不可信。
The witness's account of events seemed increasingly implausible as more details emerged.
随着更多细节浮出水面，目击者的描述愈发显得不合情理。
It was implausible that he could have finished writing a novel in just one day without any prior preparation.
他在没有任何预先准备的情况下，声称一天之内完成了一部小说，这显然很不靠谱。
Her explanation for being late to work every day this week was rather implausible – she claimed her car had been stolen five times.
她解释这一周每天上班迟到的原因相当牵强——她称自己的车被偷了五次。
The idea that ancient aliens built the pyramids is an intriguing but ultimately implausible theory.
古代外星人建造金字塔的想法虽然引人入胜，但最终还是一个难以置信的理论。
He tried to convince us that he aced his exams without studying; however, such an implausible feat strained our credulity.
他试图让我们相信他没复习就考得了满分，然而这样的不可能之事使我们难以置信。
In the movie, the plot twist involving time travel was entertaining but somewhat implausible.
在电影中，涉及时间旅行的情节转折尽管有趣，但却有些不太可信。
The politician's promise to reduce taxes and increase spending simultaneously struck many voters as implausible.
那位政客同时承诺减税和增加支出，许多选民认为这个承诺不切实际、难以置信。