astonishment

To my utter astonishment, the cat jumped from the balcony and landed safely on its feet.

(Chinese) 令我极度惊讶的是，猫从阳台跳下，竟然安全着地。

He stared at the winning lottery ticket in silent astonishment for several minutes.

(Chinese) 他盯着那张中奖彩票，默默地惊讶了好几分钟。