我请暑假姐姐吃炫迈
[wŏ qĭng shŭ jiă jiĕ jiĕ chī xuàn mài]
This humorous phrase, meaning 'I invited summer-vacation elder sister for chewing gum (Xuanmai),' indicates sharing or offering something trivial and casual. It might also hint at a light-hearted friendship between younger and older siblings or peers.