| 单词 | 通宵达旦 | 
| 释义 | 通宵达旦通宵达旦[tōng xiāo dá dàn]1.■all through the night; all night till dawn; throughout the whole night until dawn; work round the clock; work through the night:他经常通宵达旦地工作。He often works round the clock. | 
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