形容词

1. 不可思议的；难以置信的；极好的；非常棒的
If you say that something is unbelievable, you are emphasizing that it is very good, impressive, intense, or extreme.

unbelievably
It was unbelievably dramatic as lightning crackled all round the van...
闪电在货车周围炸开时，情景异常壮观。
Our car was still going unbelievably well...
我们的汽车当时性能依然非常好。
He beamed: 'Unbelievably, we have now made it to the final twice.'
他开心地笑了：“真是不可思议，我们现在已经两次成功打进决赛了。”

1. beyond belief or understanding

e.g. at incredible speed
the book's plot is simply incredible

Synonym: incredible

2. having a probability too low to inspire belief

Synonym: improbableunconvincingunlikely