To hear an oriole sing May be a common thing Or only a divine It is not the bird Who sings the same unheard, As unto crowd.

VOA: special.2010.07.18

And Milton, or the Elder Brother here, is clearly thinking of Revelation 14, in which it's only the pure spirit or the virgin -- that can even begin to hear the new song being sung before the throne of God.

弥尔顿，或者大哥，显然说的是《启示录》第14章的内容，那里说只有纯净的精神或有童贞,才可以听到在上帝面前唱的新歌。

耶鲁公开课 - 弥尔顿课程节选

.. All right. Good. Now I want to hear - so there are some who think it's morally permissible but only about 20%, led by Marcus.

很好，我现在想听的是-,现在有人认为这行为是道德上允许的,但只有20%的人，以马库斯为代表。

耶鲁公开课 - 公正课程节选

"Then I can only say I am most sad to hear it,"

VOA: special.2009.06.25

"We can't only listen once. We've got to listen twice because sometimes when the stories are told, you hear something and you learn something.

VOA: standard.2010.02.19

When they listen to his mazurkas and polonaises, they hear not only the strains of Polish folk music, but also nostalgia and patriotism for his homeland.

VOA: standard.2010.03.04

The only one present to hear the sentence was Melaku Tefera, an organizer for the opposition Unity for Democracy and Justice Party, whose founder Birtukan Mideksa is serving a life term in connection with the 2005 violence.

VOA: standard.2009.12.23