upbeat

英 ['ʌpbiːt] 美 ['ʌpbiːt]

n.上升；[音]弱音拍adj.樂觀的

Noun:

a contented state of being happy and healthy and prosperous;

"the town was finally on the upbeat after our recent troubles"

an unaccented beat (especially the last beat of a measure)

1.

a contented state of being happy and healthy and prosperous;

"the town was finally on the upbeat after our recent troubles"

2.

an unaccented beat (especially the last beat of a measure)

Adjective:

pleasantly (even unrealistically) optimistic

1.

pleasantly (even unrealistically) optimistic