【各种“忙”】 1. I am not available. 我正忙着。 2. My hands are full now. 我现在很忙。 3. I've got so much to do. 我有很多事要做。4. I39;m tied up at the moment. 我这会儿正忙。 5. I'm in the middle of something. 我在忙于一些事情。 6. I39;ve got so much to do. 很多事要做。