I was startled to see a face suddenly appear at the window. 看到窗户上突然出现的脸，我吓了一大跳。

Lisa whirled round, startled, at the sound of Vass’ s voice. 听到瓦斯的声音，莉萨吓得一阵慌乱。

the startled look on his face 他脸上吃惊的表情