Writing the book was as if I had eyes over my shoulder or voices speaking to my ear.

写这本书就好比自我反省,听自己在辩论一样。

普林斯顿公开课 - 人性课程节选

You can go up to her and put your hand on her shoulder and offer a hug and say,

你可以走过去，把手放在她的肩上，给她一个拥抱，说，

You look 课堂 - SpeakingMax英语口语达人

Maybe it could refer to either the poet or the sun throughout the entire line, if you think of the mantle blue as being the actual sky that the sun is able to twitch over his shoulder.

或者两者皆可,从整句的行文看来，如果你们把蓝色的丝巾看作是真实的天空的话,那么太阳的确是能够在他的肩上轻轻颤动。

耶鲁公开课 - 弥尔顿课程节选