血汗: blood and sweat; sweat and toil 短语和例子血汗钱 moneyearned by hard toil; 血汗制度 sweating system; 这是用劳动人民的血汗建成的。 it was built with the blood and sweat of the labouring people
血汗同源: blood and sweat are derived from the same sourseblood and sweat sharing the same originblood and sweat sharing the same sourcebloood and sweat sharing the same source
