ㄌㄨㄛˋㄎㄨㄥluòkōng

  1. 沒有著落沒有達到預定目標 希望落空」、今年研究所目標落空」。

to fail to achieve something, to be fruitless, to fail, to fall through, to come to nothing, to omit, to neglect
rater, échouer
scheitern, ins Leere gehen (V)​