负心 | fù xīn | ungrateful / heartless / to fail to be loyal to one's love | |
知恩不报 | zhī ēn bù bào | ungrateful | |
忘恩 | wàng ēn | to be ungrateful | |
端起碗吃肉,放下筷子骂娘 | duān qǐ wǎn chī ròu , fàng xià kuài zi mà niáng | lit. to eat meat from one's bowl, then put down one's chopsticks and scold one's mother (idiom) / fig. to complain despite being privileged / to be ungrateful for what one has been given |