血汗sweat and toil;blood and sweat;hard toil
這是用勞動人民的～建成的。This was built with the sweat and toil of the laboring people./這項工程體現(xiàn)了古代中國人民的～。This project was the product of the hard toil of ancient Chinese people./ ～錢hard-earned money/吮吸勞動人民的～fatten oneself on the sweat and toil of the working people/～所得be earned by the sweat and blood of sb |