Ah, you're upset because you spent the whole night working on dark matter and didn't make a breakthrough, and now you're worried you made a huge mistake switching fields, and you're gonna sit around and sulk all day?
你不高兴，因为你花了一整晚研究暗物质却找不到突破口，现在你担心转换研究方向的决定是错误的，于是你要窝在家里生一整天闷气？