What does 勤奋 (qín fèn) mean in English?

Card 770HSK 2010 Level 5770/1311
CARD770
PROGRESS59%
勤奋
勤奮
qín fèn
hardworking; diligent

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d