bareheaded
adj. 不戴帽子的；光着头的
adv. 不戴帽地；光着头
例句
It was a boy, bareheaded, ill shod, and clothed in coarse plebeian garments that were falling to rags.
那是个孩子，没戴帽子，没穿鞋，穿着破烂的粗布平民衣服。
He was bareheaded in the rain.
雨中他光着头。
《柯林斯英汉双解大词典》
I rode bareheaded.
我骑车时没戴帽子。
