to strive one's hardest; to spare no effort
尽 (jǐn) · 6 strokes
Simplified form of 盡. Depicts a hand (又) using a brush to scrub dishes (皿) clean after one is finished eating. The simplified character 尽 was derived from the cursive form of 盡.
力 (Lì) · 2 strokes
Pictograph of a plow, which requires strength to operate.