lit. to get up at sunrise and work until sunset (proverb) / fig. to lead a plain and hardworking life
蝇营狗苟
yíng yíng - gǒu gǒu
lit. to swarm like flies around rotten food and drag out an ignoble existence like a dog (idiom) / fig. to lead an undignified life / to resort to any means for personal gain