You bought a new TV for your wife for her birthday, and she's not happy. She says she didn't want you to buy it. You bought it because she was complaining about the old TV, so you can't understand why she's upset. You blame her:
You're the one that kept complaining about how old and ugly our TV was!
You made a mistake at work. A person from another department at your job gets angry about the mistake. You want to take responsibility for the mistake and apologize. You say.
I'm SO sorry. That was totally my fault.
anger (topic), apology, blame, fault, mistake, responsibility, work, 日本語サポート Your parents found out that your sister has started smoking & got angry at her. You already knew she was a smoker. Your sister thinks that you told them, so now she's angry at you. But you weren't the one who told them, so you say:
I had nothing to do with that.
anger (topic), blame 