jolly something up
phrasal verb with jolly verb [ T + adv/prep ] informal uk/ˈdʒɒl.i/ us/ˈdʒɑː.li/
UK informal
使更明亮悦目
to make something brighter and more attractive
I thought I'd jolly the room up with some colourful curtains. 我想我得用些色彩鲜艳的窗帘让房间更明亮好看。