Read Edit View history 费尽心血 fèijìnxīnxuè to rack one's brains Origin Definitions Defs Strokes Stroke Words Sentences Sents 费尽心血 費盡心血 fèijìnxīnxuè to rack one's brains to exhaust one's heart and soul; to pour all of one's energy and thought into something Frequency Written text 0.088 per million Cross-References Synonym 呕心沥血 ǒuxīnlìxuè Sources Frequency data BCC Corpus (BLCU)
费尽心血 費盡心血 fèijìnxīnxuè to rack one's brains to exhaust one's heart and soul; to pour all of one's energy and thought into something Frequency Written text 0.088 per million Cross-References Synonym 呕心沥血 ǒuxīnlìxuè Sources Frequency data BCC Corpus (BLCU)