make or become more light 使变亮,使更亮 [no obj.]most of the country should brighten up in the afternoon. 下午全国大部分地区天气都会转晴。 [with obj.]the fire began to blaze fiercely, brightening the room. 炉火熊熊燃烧,照亮了房间。 ■[with obj.]make (something) more attractively and cheerfully colourful 使更亮丽多彩 daffodils brighten up many gardens and parks. 水仙为许多花园和公园增色。 ■make or become happier and more cheerful 使愉快,使开颜,使高兴 [no obj.]Sarah brightened up considerably as she thought of Emily's words. 想起爱米莉的话,莎拉变得很开心。 [with obj.]she seems to brighten his life. 看起来她使他的生活更加愉快。