i am so sorry ! I apologize for stepping on your foot! 太对不起了 我为踩到你脚儿道歉!
Never mind! 没关系
sorry ! please forgive me. I forget to bring the homework. 对不起我忘带作业了.
It doesn't matter, but your should bring it tomorrow. 没关系 但你明天要带来.
I’m sorry, but I am not intentional. I was very sick this morning. please forgive me. 对不起,但我不是故意的 我早晨很不舒服
Oh are you OK? If you need any help, tell me. 哦 你还好吧? 要是需要任何帮助,告诉我.