s. untroubled by interference or disturbance
a. 未被扰乱的, 安静的, 镇定的
1. The baby slept undisturbed through the night.
宝宝整夜安静地睡着，没有受到打扰。
2. She prefers to study in an undisturbed environment.
她更喜欢在安静的环境中学习。
3. The forest remained undisturbed by human activities.
这片森林没有受到人类活动的干扰。