简直让人难以置信 meaning in English

i have complete confidence in our success

The news was unbelievably terrible
战况简直让人难以置信的糟糕。
The two of you look unbelievable
你们俩看起来简直让人难以置信。
I can ' t believe that . did he break up with mary
（这简直让人难以置信。是因为他和玛丽分手了吗？）
Wouldn ' t that be awesome
那简直让人难以置信
It ' s absolutely incredible that this country is ready to accept this kind of hypocrisy
这个国家能够接受这样的虚伪简直让人难以置信。