血汗sweat and toil;blood and sweat;hard toil
这是用劳动人民的～建成的。This was built with the sweat and toil of the laboring people./这项工程体现了古代中国人民的～。This project was the product of the hard toil of ancient Chinese people./ ～钱hard-earned money/吮吸劳动人民的～fatten oneself on the sweat and toil of the working people/～所得be earned by the sweat and blood of sb |