chǔn​chǔn​yù​dòng

restless

蠢蠢欲动 (蠢蠢欲動) chǔn​chǔn​yù​dòng
restless idiom
to begin to stir or get restless, often in preparation for action

The insects dormant in the caves are starting to stir in the warm spring breeze.

threatening idiom
to become threatening or start making trouble, especially regarding an enemy or hostile intent

The enemy troops on the border are restless, and the situation is very tense.

Frequency

Movie subtitles
1.31 per million appears in 1% of films
Written text
1.93 per million

Sources

Definitions
CC-CEDICT