粉骨砕身 ふんこつさいしん Also written 紛骨砕身 Meanings Noun, する verb, Intransitive making one's best exertions Kanji 粉 powder. Read as フン. 骨 bone. Read as コツ. 砕 smash. Read as サイ. 身 body. Read as シン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists