Let the dead past bury its head.

Let the dead past bury its head.
bury为不带to的动词不定式做宾语补足语,那its head是说明成分?怎么翻译?

Let the dead Past bury its dead!让死去的往昔将一切埋葬!
dead past表示逝去的过去,dead是修饰past的形容词
let sth do sth->let (sth:dead past) (do:bury)(sth:its head)
这里its head就是宾语,是bury的受体.