Be ungrateful
It is a Chinese idiom, Pinyin is f ù nm è Ili á ng, which means betraying kindness and conscience. It's from flowers in the mirror.
Notes on Idioms
Ignorance: concealment; good: conscience.
The origin of Idioms
The fourth chapter of Li Ruzhen's Jing Hua Yuan in the Qing Dynasty: "I don't want to see the flowers blooming today, but there are no flowers there. It's no use being ungrateful. "
Idiom usage
Used as a predicate or attributive.
Be ungrateful
shoulder to shoulder and hub to hub - mó jiān jī gǔ
be in a leisurely and carefree mood - xián qíng yì zhì