be in a blue funk

例句：

1. 1.She was in a blue funk after her breakup with her boyfriend.
   她和男友分手后心情非常低落。
2. 2.He felt a blue funk when he realized he had lost his job.
   他意识到失业后感到非常沮丧。
3. 3. After the concert, she was in a blue funk because she missed her favorite band.
   音乐会结束后，她因为想念最爱的乐队而感到郁闷。