If someone brightens or their face brightens, they suddenly look happier. 变得开心; 面露喜色
verb [vt. 及物动词] 使明亮，使鲜艳；开颜，高兴；（使）好转，（使）变得乐观；使生色，为……增辉添彩；放晴
Seeing him, she seemed to brighten a little. 看见他她似乎高兴点了。
Seeing him, she seemed to brighten a little. 看见他她似乎高兴点了。
