| 元旦HSK 5 | yuán dàn | New Year's Day | |
| 通宵达旦 | tōng xiāo dá dàn | overnight until daybreak (idiom); all night long; day and night | |
| 危在旦夕 | wēi zài dàn xī | in imminent peril (idiom); on the brink of crisis | |
| 信誓旦旦 | xìn shì dàn dàn | to make a solemn vow | |
| 花旦 | huā dàn | role of vivacious young female in Chinese opera |
| 1 | I celebrated New Year's Day at home last night. | |
| 2 | New Year's Day is the first holiday of every year. | |
| 3 | Once we retreat, it means failure. | |
| 4 | Many people make New Year resolutions on New Year's Day. | |
| 5 | New Year's Day is celebrated worldwide. |