1ADJ-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]
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。
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。
Scientists remain upbeat about the information that will be gathered.