骨身を惜しまない ほねみをおしまない Meanings Expression, い-adjective unsparing; without stinting; painstakingly; tirelessly See also: 骨身を惜しまず (ほねみをおしまず). Kanji 骨 bone. Read as ほね. 身 body 惜 begrudge. Read as おしい. Jinuma: Japanese Dictionary · Word lists