Upbeat Boots靴子风潮
upbeat certificate卫生证书
Upbeat music欢快的音乐;快乐的音乐
Upbeat Simplicity简约时尚
upbeat estimate乐观估计
upbeat songs弱拍
upbeat prospect乐观展望;前景乐观
feeling upbeat乘兴;感悟乐观
ADJ（形容词） If people or their opinions are upbeat, they are cheerful and hopeful about a situation. 乐观的 [非正式]
The Defense Secretary gave an upbeat assessment of the war so far.
国防部长对迄今为止的战事进行了乐观的评价。