bright /brait/ I. adj. 1.明亮的：The sun is brighter than the moon.太阳比月亮明亮。You have a bright future. 你前途光明。2.愉快的：speak in a bright voice 喜气洋洋地讲话; a bright smile (face)愉快的笑容(脸)Her face was bright with happiness.她喜气洋洋。3.聪明的：a bright boy 聪明的孩子; a bright idea 巧主意 She is bright beyond her age. 她年龄不大，人却很聪明。‖II. adv.明亮地：The sun shines bright.阳光灿烂。
brighten /ˈbraitn/ vt. & vi.使变亮，使更亮；使活跃，使有希望：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。Some fresh paint will brighten this place up.色彩鲜明的油漆可以把这个地方弄亮些。Brighten up your bedroom with a few posters.挂几张印刷画让你的寝室亮丽生色。The new teacher brightened the life of all his pupils.新来的老师使全体学生的生活变得活跃起来了。
