impracticable

impracticable
adjective

(of a course of action) impossible in practice to do or carry out
（行动）不可行的，行不通的
it was impracticable to widen the road here.
在这里拓宽道路是不可行的。

派生
impracticability
noun
impracticably
adverb
用法

Although there is considerable overlap, impracticable and impractical are not used in exactly the same way. Impracticable means ‘impossible to carry out’ and is normally used of a specific procedure or course of action, as in poor visibility made the task difficult, even impracticableImpractical, on the other hand, tends to be used in more general senses, often to mean simply ‘unrealistic’ or ‘not sensible’, as in in windy weather an umbrella is impractical

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