Definition: unhappy and without energy Level: C1
任何疾病都可能让你感到情绪低落。
Illness of any sort can leave you feeling ___low.
她从不感到情绪低落，我和她在一起时总是兴高采烈，因为她有幽默感。
She never feels ___low and I am in high spirits being with her because she has got a sense of humour.
听到坏消息后，他感到特别情绪低落。
After the bad news, he was feeling particularly ___low.
