ちょうしんるこつ

Japanese edit

For pronunciation and definitions of ちょうしんるこつ – see the following entry.
彫心鏤骨
[noun] laborious efforts, putting one's heart and soul into it
Alternative spelling
彫心𨩐骨
(This term, ちょうしんるこつ, is the hiragana spelling of the above term.)