(idiom) to spare no effort; to do one's utmost
竭 · 14 strokes
Phonosemantic compound. 立 represents the meaning and 曷 represents the sound.
尽 · 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.
全 · 6 strokes
Depicts jade (玉) that is entirely pure and flawless. Based on the original meaning "pure jade". The meaning later shifted to "complete" and "entire".
力 · 2 strokes
Pictograph of a plow, which requires strength to operate.
他竭尽全力去完成比赛。
to spare no effort (idiom); to do one's utmost