1. 震惊：startle 震惊 | startled 震惊 | startler 骇人事件

2. 愕：startingpointStart 起点 | startled 愕 | startler 令人惊骇的人或事件

3. 惊动的：47 Snicker:窃笑. | 48 Startled:惊动的. | 49 Puff:一丝气.

adj

1. excited by sudden surprise or alarm and making a quick involuntary movement

e.g. students startled by the teacher's quiet return
the sudden fluttering of the startled pigeons
her startled expression