← 単語を見るに戻るpainsnoun#6,625訳語苦心くしん苦労くろう骨折りほねおり丹精たんせい英語の定義an effortful attempt to attain a goal例文It pains me to disagree with your opinion.No gains without pains.似ている単語painpaintpainephantom painsplainspaints← backingbodyguard →