Definition
To fail to achieve either of two intended aims or outcomes.
兩頭落空
The new policy tried to increase efficiency without increasing costs, but it fell between two stools.
新政策試圖在不增加成本的情況下提高效率，但最終兩頭落空。
The restaurant tried to merge two very different styles of cooking and ended up falling between two stools.
這家餐廳試圖融合兩種截然不同的烹飪風格，結果兩頭不討好。
The movie tried to be both an action film and a romance, and fell between two stools.
這部電影試圖同時成為動作片和愛情片，結果兩頭落空。