adv.胆怯地；可怕地；极；非常地
The boys looked at each other fearfully. 男孩子们害怕地相互看著。
His eyes were like fireballs fearfully blazing. 他的眼睛有如火球,可怕地燃烧著。
Her cheeks burned, she was fearfully thirsty. 她面颊绯红，口渴得要命。
I thought it would be fearfully quiet. 我起先还以为它一定是个死气沉沉的地方哩。
