身穿缟素: be dressed in mourning white; be dressed entirely in white
一身: 1.(全身) the whole body; all over the body 短语和例子出一身冷汗 break out in [into] a cold sweat; 一身泥巴 be covered all over with mud2.(一套) a suit 短语和例子穿着一身工作服 wear a boiler suit3.(一个人) all alone; conce