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。