{"type":"word","wordData":{"simplified":"一旦","traditional":"一旦","senses":[{"id":402926,"simplified":"一旦","traditional":"一旦","pinyin":"yi1 dan4","gloss":"once","definition":"once (something happens); in case; if","example":"一旦开始，就不能停下来。","variantPinyin":[],"posTags":["d","c"],"source":"cedict","occurrences":10,"sentenceCount":10,"exampleSentenceHtml":"一旦开始，就不能停下来。"},{"id":402927,"simplified":"一旦","traditional":"一旦","pinyin":"yi1 dan4","gloss":"short time","definition":"in a single day; in a very short time","example":"他多年的心血毁于一旦。","variantPinyin":[],"posTags":["i"],"source":"cedict","occurrences":1,"sentenceCount":1,"exampleSentenceHtml":"他多年的心血毁于一旦。"}],"references":[],"frequency":{"subtlexPerMillion":87.1,"subtlexContextDiversityPct":31,"bccPerMillion":81.94375875747309,"hsk2Level":5,"hsk3Level":5}},"commonWords":[{"simplified":"一旦","traditional":"一旦","pinyin":"yi1 dan4","gloss":"once","definition":"once (something happens); in case; if","perMillion":87.1},{"simplified":"毁于一旦","traditional":"毀於一旦","pinyin":"hui3 yu2 yi1 dan4","gloss":"ruined","definition":"(idiom) ruined in a short time, especially of something that took a long time or great effort to achieve","perMillion":1.13}]}