性格开朗的英语怎么说

"开朗"的英文是 "cheerful"。来源是源于中世纪英语 "cheer"，意思是高兴、欢乐。

一些例句：

She has a cheerful personality and always makes everyone around her feel better. (她有一个开朗的性格，总是让周围的人感到更好。)
He woke up feeling cheerful and ready to start the day. (他醒来感到开心，准备开始新的一天。)
The cheerful colors in the painting made it feel like a warm summer day. (画中鲜艳的颜色让人感觉像是一个温暖的夏天。)