费尽心血 fèijìnxīnxuè to rack one's brains Definitions Defs Origin 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)
