aghast

1. ADJ If you are aghast, you are filled with horror and surprise. 驚駭的[正式] [ADJ after v]

While she watched, aghast, his eyes glazed over as his life flowed away. 她驚駭地看著，他的眼睛隨著他的生命逐漸消失而變得呆滯無神。