啜菽饮水（啜菽飲水）　

◎ 啜菽饮水 chuòshū-yǐnshuǐ

[one can be a dutiful son to his parents even in poverty] 吃豆类,喝清水,形容生活清苦

君子啜菽饮水,非愚也,是节然也。——《荀子·天论》