unbelievable
US
UK unbelievable adj: (unconvincing, seemingly untrue)
SC 不可相信的 bù kě xiāng xìn de
SC 难以让人相信的
The reasons Robert gives for being late to work are simply unbelievable; we'll have to fire him.
罗伯特用来搪塞迟到的理由简直不可置信，看来我们得开除他了。
unbelievable adj: figurative, informal (amazing, incredible)
SC 令人难以置信的 lìng rén nán yǐ zhì xìn de
Wait till I tell you what happened to me at the weekend; it was unbelievable!
让我告诉你周末发生了什么，简直太难以置信了！