第三年第两百四十八天

[nnozomi]

成语
忘恩负义 to forget gratitude and duty
感恩戴德 to be deeply grateful for a favor
恩断义绝 to break off ties, to become estranged
忘恩负义 wàng ēn fù yì; 感恩戴德 gǎn ēn dài dé; 恩断义绝 ēn duàn yì jué

词汇
国内, domestic (as in, not international); 国庆, National Day; 联合国, United Nations 国内 guónèi, domestic; 国庆 guóqìng, National Day; 联合国 Liánhéguó, United Nations
https://mandarinbean.com/new-hsk-3-word-list/

Guardian:
我们全族的未来不能押在这些忘恩负义的人类身上, the future of our whole tribe cannot depend on these ungrateful humans
那你要我怎么办，感恩戴德，三跪九叩? what do you want me to do, be forever grateful, kowtow?
从今天开始，我们姐妹恩断义绝, from this day forward, we're not sisters any more
[no 国 words]

Me:
如果您可以帮他，我会一辈子感恩戴德。
你傻啊，明天是国庆，谁都不会上班。