I made a mistake. 제가 실수했어요. That's all right, but be more careful in the future.  괜찮습니다만, 앞으로는 주의해 주세요.  ================================================================== I made a mistake. 제가 실수했어요. It doesn't matter.  상관 없어요.  ================================================================== It is my fault. 제 잘못이에요.  That's O.K, you didn't intend to do it purposely. 고의가 아니니 괜찮아요.  ================================================================== It is my fault. 제 잘못이에요.  It could happen to anybody.  그런 일은 누구에게나 일어날 수 있어요.  ================================================================== It is my fault. 제 잘못이에요.  It is not a big deal.  별 일 아니에요.  ================================================================== It is my fault. 제 잘못이에요.  Don't worry about that.  그건 걱정하지 마세요.  ================================================================== It is my fault. 제 잘못이에요.  Don't do it again. 다시는 그러지 마십시오.   ================================================================== It is my fault. 제 잘못이에요.  Please do better in the future.  앞으로는 잘 처리해 주세요.