Daily Chinese Idiom Guessing Game
Restlessly ready to start some activity; used negatively to describe someone who is about to cause trouble.
蠢蠢爬虫蠕动的样子。比喻敌人准备进攻或坏人阴谋捣乱。
南朝·宋·刘敬叔《异苑·句容水脉》掘得一黑物，无有首尾，形如数百斛舡，长数十丈，蠢蠢而动。”
The enemy troops were stirring, ready to attack.