同义词

r. inexcusably，unpardonably

反义词

r.   excusably，forgivably，pardonably

参考例句

1. In retrospect the studio appears unforgivably tardy.
回顾起来，公司似乎超级没头脑。
2. Unforgivably, to calm her down, her doctor prescribed morphine, lots of it.
为了让她镇定下来，医生给她开了吗啡，许多许多的吗啡，这是不可原谅的。
3. You must understand that only a small fraction of the population makes unforgivably bad television. The rest of us .
但你要知道的是，拍那些劣质电视剧的只是一小部分人而已啊。

英英解释

adv.
  1. in an unpardonable manner or to an unpardonable degree

网络释义

unforgivably
不可原谅;