피땀을 흘려요 · 피땀을 흘렸어요 · 피땀 흘려 번 돈
to work one's fingers to the bone; to put in blood, sweat, and tears
Example
부모님이 피땀을 흘려 모은 돈으로 집을 샀어요.
My parents bought a house with money they saved through blood, sweat, and tears.
Word parts
피땀 = 피 'blood' + 땀 'sweat.'