彫心鏤骨
ちょうしんるこつchoushinrukotsu
noun · suru verb · intransitive
- laborious work
- lucubration
- lucubrations
- painstakingly polishing a piece of literary work
ちょうしんるこつchoushinrukotsu
noun · suru verb · intransitive
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences