bloody sweat

• 血汗

bloody sweat的用法和样例：

例句

1. The bread you eat is obtained by the sweat of your father's brow.
   你们吃的面包是他们的父亲用血汗换来的。
2. It was built with the blood and sweat of the labouring people.
   这是用劳动人民的血汗建成的。