Source: Master Yuan Wu's "The West Chamber" second fold Jin Shengtan approved: "You can know that you are confused."
Vernacular interpretation: From here, we can see that he is very upset.
Considering this, he was so confused that he didn't sleep a wink all night.
Extended data
Synonym:
1, upset [x and nf á ny Luan]: meaning: mind. My mind is in a mess and I don't know what to do.
Source: "Chu Ci Bu Ju": "I am upset and don't know what to do."
Vernacular interpretation: upset, don't know what to do.
Example: He is so upset that he can't do anything well.
2. Uneasy [xρnshénùdùng]: OK: stable. Be agitated and insane.
Source: Cao Qingxueqin's Dream of Red Mansions 1 13: "Just put away Feng Jieer and others, ask Mr. Liu to sit in front of the bed, and tell him that he is uneasy, as if he were a ghost."
Interpretation of the vernacular: So I pushed away Xifeng and others, called Grandma Liu to the bed and told her that she was upset and insane, as if she had seen a ghost.
Since he learned the news, he has been upset and can't eat.