無む駄だ足あし

noun, noun or participle which takes 'suru', intransitive verb

fool's errand; wasted trip; visit for no good reason

Refers to going somewhere or making a trip that turns out to be pointless or unnecessary. Often used in the phrase 無駄足を踏む (to make a wasted trip).

• わざわざ行いったのに店みせが閉しまっていて、無む駄だ足あしだった。

  I went all the way there, but the shop was closed—it was a wasted trip.

• 事じ前ぜんに電でん話わで確かく認にんすれば、無む駄だ足あしを踏ふまずに済すむ。

  If you call ahead to check, you can avoid making a wasted trip.