As Harry's struggle to defeat Voldemort gets underway, Ron faces the almost impossible task of destroying a horcrux.

随着哈利踏上反击伏地魔的战斗之路罗恩开始挑战不可能完成的任务 摧毁魂器。

So when these horcrux is destroyed a bit of him is weakened. And destroyed, in effect.

所以当魂器被摧毁的时候伏地魔的力量也相应衰弱一些。当然这需要完全的摧毁。