To harbor deep-seated intentions or thoughts; to premeditate.
她对这个项目的未来发展，早已存心积虑，有了详细的规划
She had long harbored deep thoughts about the future development of this project, and already had a detailed plan.
Era:
Ancient
Frequency:
Next Idiom
To harbor deep-seated intentions or thoughts; to premeditate.
Era:
Ancient
Frequency: