"Yes, he is rather cocky," Wendy admitted with regret.

“是的，他相当傲慢。”温迪带着歉意承认。

youdao

He felt a kind of happiness mingled with regret.

他感到既高兴又遗憾。

《牛津词典》

"This is the end of me," the lion thought with regret.

这只狮子心想：“完了！”

youdao

Present me with such a plan, and I will praise it with pleasure and accept it without the slightest feeling of regret."

VOA: special.2009.03.19

But still she contacted this person, spent time with him and later came to regret it.

但你的朋友还是联系了这个人，跟他相处了一段时间，慢慢有点后悔了。

I should have 课堂 - SpeakingMax英语口语达人

The young man feels regret, which only grows as he falls in love with her daughter.

VOA: special.2009.05.04

It is with regret, therefore, that I found the effort less than a pleasure to behold.

WSJ: Light Years: Conceptual Art and the Photograph, 1964-1977 | Snapshot of a Movement | By Richard B. Woodward

With regret, he locates the roots of international terrorism in the ruthless tactics of Algerian independence fighters.

NEWYORKER: Terror's Advocate

But he will stay at the helm of English rugby's governing body, which accepted Cattermole's resignation "with regret".

BBC: Francis Baron, chief executive of the RFU