灰呢 meaning in Chinese

maud(e)

Should the button be removed or grayed out
按钮要被移除还是变灰呢？
The both , it seems , had been overtaken by the rain and for all their mending their pace had taken water , as might be observed by mr mulligan s smallclothes of a hodden grey which was now somewhat piebald
二人似均受雨淋。虽已加快步伐，通身仍均湿透，见于彼所着灰色手织灰呢短裤上之斑纹。