语音讲解：
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　　定义：

　　be in a fortunate and enviable position

　　处于幸运而令人羡慕的境地

　　例句：

　　He prepared well in advance for final exams, so when the time came and we were all studying so hard. He was sitting pretty.

　　他事先为期末考作好准备，所以，考试来临，我们都在埋埋苦读，他却悠闲得令人羡慕。