He felt guilty on account of his former anger at the kind gentleman.

他觉得很内疚，因为他以前对这位善良的绅士生过气。

youdao

He felt guilty at deserting his clients but still he did that.

他觉得遗弃他的客户很有愧，但他还是那样做了。

youdao

He felt guilty, so he tried to salve his conscience by bringing her a bunch of flowers.

他感到内疚，因此他带给她一束花试图减轻他的良心不安。

youdao

He criticised Borgers for claiming he felt remorse but only pleading guilty when the case came to court, offering no comment when interviewed by police after his arrest.

BBC: Rapist jailed for 1992 Stotfold churchgoer attack

My friend William of Atlanta felt guilty at the very thought of having his dog, Jerome, euthanized -- even as he watched his faithful companion of 12 years endure a dramatic, two-year decline.

CNN: How to deal with the loss of a pet