1876 (n.), in reference to downward stroke of a conductor's baton; 1952 (adj.) in figurative sense of "pessimistic," but that is probably via associations of the word down (adv.), because the beat itself is no more pessimistic than the upbeat is optimistic.
双语例句
1. Its headlines were suitably downbeat and don't scream out.
其标题平淡无奇而非触目惊心,非常得体。
来自柯林斯例句
2. They found him in gloomy, downbeat mood.
他们发现他情绪低落,无精打采。
来自柯林斯例句
3. The overall mood of the meeting was downbeat.
整个会场的气氛是沉闷的。
来自《权威词典》
4. This has made him the ideal investor a decidedly downbeat era.
这个品质让他成了当前绝对低迷时期的理想投资者.
来自互联网
5. Following the goalless draw against Liverpool, Jos é Mourinho's response was understandably downbeat.