regret的形容詞遺憾的

　　Surprisingly, she didn't feel nervous, or regretful about her actions.

　　令人驚訝的是，她并沒有對她的行為感到緊張或后悔。

　　Mr Griffin gave a regretful smile

　　格里芬先生遺憾地笑了笑。

　　A person who does a regrettable action is often regretful afterwards.

　　行為不檢點的人，日后往往懊悔。

　　One can imagine how regretful he was.

　　可以想像他是多么懊悔。

　　Reminding of what he had said to sun xiu, he regretful and signed to the sky.

　　他仰天長嘆了一口氣，很有點后悔的意思。