Old English *beorhtnian "to make bright" (see bright (adj.) + -en (1)). Intransitive sense, "to become brighter," attested from c. 1300. Figurative use from 1590s. Related: Brightened; brightening.
双语例句
1. Hopefully it will brighten up, or we'll be coming back early.
希望天会放晴，否则我们就要提早回来。
来自柯林斯例句
2. Seeing him, she seemed to brighten a little.
看到他后，她似乎露出点儿喜色。
来自柯林斯例句
3. In the distance, the sky was beginning to brighten.
远方的天空开始泛白。
来自《权威词典》
4. In the distance, the sky was beginning to brighten.
远方的天空开始泛白.
来自《简明英汉词典》
5. I've brought some flowers to brighten the place up a bit.
