His vest is blue.

他的背心是蓝色的。

youdao

If you think of the blue mantle as being the actual sky that the sun is able to twitch over his shoulder.

如果你把蓝披风看作是真实的天空，太阳在他的肩上轻轻颤动。

youdao

Stephen is channelling his energies into a novel called Blue.

斯蒂芬正集中精力写一本名为《蓝色》的小说。

《柯林斯英汉双解大词典》

The surface of his painting, "Blue Square." is covered in extremely thick blue paint which he applied using his fingers.

VOA: special.2010.07.09

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

Little is hoping to continue his career below Blue Square Premier level and is hoping to add to his two goals of an injury-plagued season before he leaves.

BBC: Colin Little to leave Altrincham for Manchester United

Hugo is a spectator, always peering out at something, and the Paris he sees from his aerie is tinted dark blue, with glistening white lights the colors of wonder.

NEWYORKER: Fantastic Voyages

His Dark Blue counterpart Sam McLennan is part of the Oxford reserve crew, Isis, after a back injury spoiled his training in the run-up to the race.

BBC: Cambridge hold weight edge