実じっ行こう不ふ可か能のう

na-adjective

impracticable; infeasible; unworkable; impossible to carry out

Describes plans, methods, or ideas that cannot be put into practice due to practical constraints.

• その計けい画かくは予よ算さんが足たりず、実じっ行こう不ふ可か能のうだと判はん断だんされた。

  The plan was judged impracticable due to insufficient budget.

• 理り論ろん上じょうは正ただしいが、現げん時じ点てんでは実じっ行こう不ふ可か能のうな案あんだ。

  It's correct in theory, but it's an unworkable idea at present.