children who play outside energetically; kids who don't mind the cold
Idiomatic expression referring to children who are full of energy and play outdoors regardless of cold or wind. Often used in the saying 「子どもは風の子」.
Children are children of the wind, playing energetically outside.
Even when it's cold, they run around like children of the wind.
Literally 'child of the wind'. A set phrase from the proverb 「子どもは風の子」, reflecting the traditional view that children are naturally active and unaffected by cold weather.