这首诗明显就是:锄禾日当午,汗滴禾下土,谁知盘中餐,粒粒皆辛苦 !
It is an Tang poem which was written by a Tang dynasty poet Nie Yizhong,it means every grain comes from hard toil of the peasants,we should value each rice.and the deeper ,everything comes not easily,we can't waste .We can also see the author's compassion to the labouring people and his grievance toward the social inequities .