拼音：zǎ o chá o yàn tuì
解释：晏：迟，晚。指君主与群臣很早上朝处理政事，很晚才退朝。形容勤于政事。
单字解释： 早 朝 晏 退
Yan: late, late. It refers to that the monarch and his ministers deal with political affairs in the court very early and leave the court very late. Describe being diligent in politics.
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