1 ADJ-GRADED [usually ADJ n] 达观的；乐观的；充满希望的 If people or their opinions are upbeat, they are cheerful and hopeful about a situation. 达观的；乐观的；充满希望的 [informal]
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The Defense Secretary gave an upbeat assessment of the war so far.
国防部长对目前的战事给予了乐观的评价。
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Neil's colleagues say he was actually in a joking, upbeat mood.
内尔的同事们说他实际上在说笑逗乐，心情不错。
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Scientists remain upbeat about the information that will be gathered.
科学家对即将收集到的信息仍满怀希望。
SYN cheerful, positive, optimistic, promising
2 N-COUNT 弱拍；上拍 In music, the upbeat is the beat before the first beat of the bar. 弱拍；上拍
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