Don't be ungrateful, at any time, any things.

⊙、不要忘本，任何时候，任何事情。

youdao

I have never known men of ability to be ungrateful.

我从来没有见过真正有能力而不知道感恩的人。

youdao

I don't think any of us can afford to be ungrateful to the present age.

我认为我们每一个人都不会不对现在这个时代心存感激。

youdao

Sasha, who had hitherto been happy for Andrey, asking me if I could get Andrey American citizenship, now exploded, wondering if his nephew could really be so ungrateful.

NEWYORKER: Roulette Russian

Even though you are slandered, unappreciated by many, and work tirelessly to protect the largely ungrateful, be aware that many Americans are extraordinarily proud of you and the mission you strive so hard to accomplish.

CENTERFORSECURITYPOLICY: Guantanamo Bay: five years later

While this sentiment may appear ungrateful, it should be remembered that Afghan soldiers are fighting and dying here - they are bearing the brunt of the conflict.

BBC: Afghans sceptical about fresh troops