Mrs. Penniman had made them stir themselves.

佩尼曼夫人让他们自己激动起来。

At six or seven o'clock, when it grows dark, the sleepers awake, stir themselves, and go out over the surface of the nest.

六七点钟，天渐渐黑了，睡觉的虫醒了，爬起来，走到巢的外面去。