| 单词 | 信誓旦旦 | 
| 释义 | 信誓旦旦信誓旦旦[xìn shì dàn dàn]1.■take an oath devoutly; pledge in all sincerity and seriousness; vow solemnly; give sb. one's firm and solemn promise; oath solemnly pledged; a sincere pledge; Clearly was one sworn to good faith. | 
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