expression
fruits of one's labour; result of blood, sweat, and tears
A figurative expression emphasizing that something was achieved through great effort and sacrifice.
この作品はまさに血と汗の結晶だ。
This work is truly the fruit of blood, sweat, and tears.
彼の成功は長年の血と汗の結
His success can be called the result of years of blood, sweat, and tears.