1.你不知道我心里有多惭愧 You don't know how sorry I am.

2.我后悔做了那件事 I regret doing that.

3.我本不该说那句话的 I shouldn't have said that.

4.我真不该那样 I shouldn't have done it.

5.我要是没做这件事就好了 If only I hadn't done that.

6.是我把事情弄砸的 It's me who screwed it up.

7.这都是我的错 It's all my false.

8.我做的太过分了 I went too far.

9.请原谅我 Please forgive me.