He was undeserving of her affections.

他不配得到她的爱。

《牛津词典》

For a long time I could not understand how someone of his caliber could remain so intractably loyal to such an undeserving employer.

有很长时间我一直无法理解，为什么像他一样有能力的人长期忠诚于这般没有吸引力的职位。

youdao

As for Chen, he realizes that he was wrong to cheat, and he can't shake the sense that he is undeserving of the life he has been enjoying.

对陈瑜来说，他认识到了作弊是错误之举，总觉得自己不配享受现在的生活。

youdao

But I also knew we could not treat these vulnerable children as criminals undeserving of compassion.

CNN: Don't turn your back on these children

Brave men, they suffered the cruellest of deaths, so undeserving for the good they were doing.

BBC: Afghan shooting: Soldiers were 'unlawfully killed'

Welfare case-workers used to be seen as dullards handing cash to the undeserving poor.

ECONOMIST: He believes in government, so why doesn��t America?