这里的it指life. live 可以加life作宾语,life 是live 的同源宾语。例如:Now we are living a happy life.常用的带同源宾语的动词有:
sleep a (good, sound...) sleep; smile a (strange, sweet...) smile; die a (heroic, glorious, sudden...) death; dream a (sweet, bad, frightening) dream; laugh a ... laugh; fight a ... fight.
这个我也解释不了