The green is more about the ripeness, or lack of ripeness, of the grapes used to make the wine.

VOA: special.2010.12.20

Milton had claimed there that he seemed to have all the outward appearances of an adult male, of a man, " but " inward ripeness doth much less appear."

弥尔顿说他看起来具备了,一个成年男人的外表，但“稚嫩的内心从没有遭受历练“

耶鲁公开课 - 弥尔顿课程节选

His poetic talent, his poetic promise, his poetic ripeness - it hasn't yet burgeoned or made itself manifest.

他的写诗才华，写诗的抱负，诗作的成熟度,-都还没能彰显出来。

耶鲁公开课 - 弥尔顿课程节选