快かい足そく

noun, noun which may take the genitive case particle 'no'

nimble-footed; quick on one's feet; fast running legs

Describes a person or animal that moves quickly and lightly on foot, often used in sports or descriptive contexts.

• 彼かれは快かい足そくを飛とばしてゴールに向むかった。

  He sprinted toward the goal with his quick feet.

• その選せん手しゅは快かい足そくで知しられている。

  That athlete is known for being fleet-footed.