adj.盲目的；無視力的；不可見的
Sightless, he listened, hunting the booming sounds of the ocean. 他看不見，只能聽，尋找著海浪的澎湃聲。
His face was like yellow wax, his eyes darkened, as it were sightless. 他的臉色蠟黃，眼睛變得陰暗，茫然無神。
