repentant

When he saw the broken window, the boy looked genuinely repentant.

看到打破的窗户时，那个男孩看起来确实很后悔。

She wrote a repentant letter to apologize for forgetting her friend's birthday.

她写了一封表示悔过的信，为忘记朋友的生日道歉。

After shouting at his mother, he felt repentant and asked for forgiveness.

对妈妈大喊大叫后，他感到后悔，并请求原谅。