"She is a fickle person" 是指她是个花心的人的英文表达。

fickle 这个词来自中世纪拉丁文 "fictips",意思是可以改变的或不坚定的。在英文中,fickle 通常用来形容人的态度或感情,意思是不稳定或易变的。

例句:

She's very fickle. One minute she loves him, the next she hates him. (她非常花心。一会儿她爱他,一会儿她讨厌他。)
He's always changing his mind. He's so fickle. (他总是改变主意。他真是花心。)
I can't trust her. She's too fickle. (我不能信任她。她太花心了。)