プログレッシブ和英中辞典(第4版)の解説
むだ【無駄】
❶〔益がないこと〕無駄な useless; (of) no use
彼を説得しようとしても無駄だよ
It's useless [no use] to try to persuade him.
彼に手紙を書いても無駄だ
It is no use writing to him.
忠告をしても無駄だった
My advice to him was wasted [futile].
今それを勉強しておくことは無駄にはなるまい
Studying this now will prove of use someday.
彼には折角の心遣いも無駄だった
All our thoughtful consideration was lost on him.
やってみたが無駄だった
I did it 「in vain [to no purpose].
努力がみな無駄になってしまった
All my efforts came to nothing.
❷〔浪費〕(a) waste; wastefulness
金を無駄にする
waste money／throw money away
そんなことは時間の無駄だ
It is a waste of time to do such a thing.
彼の話には無駄がない
He never wastes his words.／What he says is always to the point.
こうすれば大分無駄が省ける
This will eliminate much of the waste.
時間を無駄にしてはいけない
Don't waste your time.
書き出しを試行錯誤するその小説家は紙を何枚も無駄にした
In her effort to write a good first sentence for the story, the novelist spoiled [ruined] a lot of paper.