呕心沥血 ǒuxīnlìxuè to work one's heart out Origin Definitions Defs Strokes Stroke Words Sentences Sents 呕心 嘔心 ǒuxīn to exert utmost effort to pour one's heart into something; to exert one's mental efforts to the limit, often used in the idiom 呕心沥血 ǒuxīnlìxuè沥血 瀝血 lìxuè to give one's all to pour out one's heart or demonstrate utter sincerity; to work with extreme devotion