Wistfully, a prize you can see but simply cannot reach. The beautiful flower is so far away that there is no real hope of picking it. Used to describe the object of desire which is completely out of reach.
(Style: spoken/casual/A=female, B=male)
A: Yamamoto kun ne, Yooko-san ni kataomoi na n da tte.
B: Sorya, minoranu koi da. Aite ga Yooko-san jo, takane no hana da kara naa.
A: You know Yamamoto, right? The rumor is he’s in love with Yoko, but it’s a one-way affair.
B: Oh boy! That kind of love is fruitless. His heart may be set on Yoko, but she really is an unobtainable prize.