Eng: Diligent...

敏

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

勤

Attentive, Diligent, Industrious

勤快

Diligent

勤奮

Assiduous, Attentive, Attentiveness, Diligence, Diligent, Implacable, Industrious