她的性格非常活泼开朗用英语怎么说

"她的性格非常活泼开朗" 用英语可以表述为 "She has a very lively and outgoing personality."

"Lively" 意思是充满活力的，活泼的；"Outgoing" 意思是外向的，开朗的。

举个例子：

"She always has a smile on her face, she's so lively." (她总是面带微笑，她非常活泼。)
"She's always the life of the party, she's so outgoing." (她总是派对的中心，她非常外向。)