“姐弟戀”英語怎麽說

[詞典] [電影] The Rebound;

[例句]有閱讀香港雜誌的讀者都知道，不久前有報道指梅艷芳戀上壹名泰國男子，對方只有20多歲，報道說兩人搞姐弟戀，到底真相如何？

She was asked about the truth of her romance with a Thai boy, who is in20's, much younger than her, that was reported by a magazine in Hong Kong.