I'm not myself today. 我今天心神不宁，不在状态 Sorry, I'm not myself today. My son just had a severe fever. 对不起，我今天心神不宁，我儿子得了严重的发烧。 A:We had a meeting at 10 o'clock. Where were you? 我们今天十点有一个会议，你在哪里? B:I'm sorry, I guess I forgot. 对不起，我想我忘了。 A:Forgot? How could you forget? 忘了?你怎么会忘了? B:I don't know. I'm not myself today. 我不知道，我今天心神不宁。 A:What's wrong? 你怎么了? B：Maybe I'm just tired. I haven't been getting much sleep. 或许我只是累了。我一直睡不够。