粒々辛苦 りゅうりゅうしんく Also written 粒粒辛苦 Meanings Noun, する verb, Intransitive toil and moil; working assiduously for; tireless hard work; painstaking labor (labour) Kanji 粒 grain. Read as リュウ. 辛 spicy. Read as シン. 苦 suffer. Read as ク. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists