not able to be believed; unlikely to be true 不可信的;不真实的 unbelievable or not, it happened. 不管可不可信,事情已经发生了。 ■so great or extreme as to be difficult to believe; extraordinary 难以置信的;特别的 your audacity is unbelievable. 你真莽撞得令人难以置信。
派生 unbelievability noun unbelievably adverb
[as submodifier]he worked unbelievably long hours. 他工作时间之长令人难以置信。