Regretfulness
n. regretful（懊悔的；后悔的；遗憾的；歉意的）的变形
🗣️ 情景例句
My head is killing me.
我的头疼死了。
She served a flavorous stew to her friends.
她招待朋友香喷喷的炖肉。
It was a pleasure. Bye!
不客气。再见！