upbeat
n
(music 音) unaccented beat, esp at the end of a bar, shown by the conductor's baton moving upwards 上拍; 弱拍. Cf 参看 downbeat. upbeat, adj (fig 比喻) optimistic or cheerful 乐观的; 快乐的.
🗣️ 情景例句
He is tough in doing everything.
他不管做什么事都很有毅力。
We should keep them informed of what is going on here.