他在摔跤比赛中不小心弄伤了鼻子，血染红了对手的衬衫。

During the wrestling match, he accidentally hurt his nose, ___bloodying his opponent's shirt.

他摔倒时手擦伤了，血迹正慢慢染红他的衬衫。

As he fell, the scrapes on his hands were slowly ___bloodying his white shirt.