Eng: Quick witted...

敏

Adroit, Agile, Assiduous, Clever, Diligent, Fast, Keen, Quick, Quick witted

靈

Alert, Consciousness, Intelligent, Quick witted, Smart, Spirit

機敏

Clever, Quick witted, Resourceful, Sharp, Shrewd

機悟

Quick witted

機警

Alert, Quick witted, Sharp