If you are aghast, you are filled with horror and surprise.
例句
She watched aghast as his life flowed away...看着他的生命逐渐消逝，她惊骇万分。His colleagues were aghast at the sackings...他的同事们对于这些解雇感到很吃惊。
英汉词典释义
adj.
惊呆的，吓呆的，大吃一惊的
She was aghast at the extent of the damage to her car.她的汽车的损坏程度使她震惊。
被…吓呆，被吓得目瞪口呆
She stood aghast at the snake.她被蛇吓呆了。He stood aghast at the terrible sight.他被眼前的可怕景象吓呆了。She stood aghast at the black shadow in the drawing room.她被客厅里的黑影吓呆了。