black and blue，英语俚语，基本意思为被打后皮肤青紫，伤痕累累的样子。
表示某人在被殴打后皮肤青紫，伤痕累累的样子。
相关例句：
1. The mother pinched her baby blackandblue 这位母亲将她的孩子掐得青一块紫一块的。
2. The smugglers pounced on him and beat him blackandblue 走私贩们一拥而上,把他打得遍体鳞伤。
3. After the fight, he was blackandblue all over 打架之后，他浑身青一块紫一块。