bǎi / bù / chuān / yáng / zhè / gè / chéng / yǔ / xíng / róng / jiàn / shù / huò / jì / yì / fēi / cháng / gāo / chāo

百步穿杨这个成语形容箭术或技艺非常高超。

The idiom 'shooting through a willow leaf at a hundred paces' describes exceptional archery or skill.