变得更开朗用英语怎么说

"Become more optimistic" 是表示变得更开朗的常用说法。其中, "optimistic" 是由 "optimism" 派生而来, 意思是乐观的态度或看法。

例句：

"I'm trying to become more optimistic about the future." (我在努力变得对未来更乐观。)
"She's made a lot of progress in becoming more optimistic in her outlook." (她在看法上变得更乐观上取得了很大进展。)
"He's been working on becoming more optimistic and it's really helped him in his personal and professional life." (他一直在努力变得更乐观，这对他的个人和职业生活帮助很大。)