Though already champion, he still wants to climb higher.
Tips
history
From Tang poet Wu Rong's 《商人》: 百尺竿头五两斜. Originally a Buddhist metaphor for spiritual progress — even at the top of a hundred-foot pole, one more step is possible.
usage
Almost always paired with 更进一步 (gèng jìn yī bù, 'advance one more step'). Common in graduation speeches and award ceremonies.