(of people and animals) in a way that is nervous or easily frightened

He glanced skittishly up and down the corridor. 他小心翼翼地观察着走廊。

His horse cantered skittishly, startled by the sudden movement. 他的马紧张地慢慢跑着，一有动静就会受惊。

(of a person's beliefs or opinions) in a way that is not serious and that is likely to change often

He skittishly avoided dwelling too deeply on the experience. 他激动地避免对那段经历回忆太久太深。

This book moves skittishly from topic to topic. 这本书从一个话题轻易地跳到另一个话题。