名詞サ変名詞自動詞
laborious work; lucubration; lucubrations; painstakingly polishing a piece of literary work
四字熟語
彼は、その詩を**彫心鏤骨**し、完璧な形に仕上げた。
- He poured his heart and soul into carving that poem, finishing it in a perfect form.
この論文は、彼が何年も**彫心鏤骨**して完成させたものです。
- This paper is something he completed after years of pouring his heart and soul into it.