impracticality

n.不切实际,办不到

不切实际；不实用；不现实

名词

1. The project was abandoned due to its impracticality.
由于不切实际，该项目被放弃了。
2. The impracticality of her ideas became apparent after several failed attempts.
在多次尝试失败之后，她的想法的不现实性变得明显起来。