失敗 Simplified: 失败 On the HSK 4 vocabulary list, at CEFR level B2. shībài ㄕ ㄅㄞˋ to be defeated to lose to fail (e.g. experiments) failure defeat Where 失敗 is used Example sentences and grammar articles using 失敗 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT