It was funny because when we said our vows Keith had these green ears sprouting from the top of his head.

当我们宣读誓言时，他头上的两只耳朵一动一动的，太搞笑了。

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It can also be used to symbolize a lack of experience or a beginner in need of growth (" green behind the ears ").

它也可以用来象征缺乏经验，或是需要成长的初学者(“耳朵后面绿”)。

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Silver and pearl was her tail, and the green weeds of the sea coiled round it; and like sea-shells were her ears, and her lips were like sea- coral.

珍珠与银子作成了她的尾巴，绿色的海草缠绕着它；她的耳朵如贝壳，嘴唇似珊瑚。

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At one point, he feinted in that direction, allowing that his opponent regarded him as "green behind the ears" (cliche police: that's green, senator, or wet behind the ears).

BBC: McCain's jabs fall short of Obama

Ms. Knight also has programmed Data to gauge audience response, both by hearing laughter and applause through the microphones in his ears and by seeing green and red cards held up by audience members through the cameras in his eyes.

WSJ: Heather Knight and Data: A Researcher and a Robot Walk Into a Bar... | Creating