fruitless

They made a fruitless attempt to find a solution.

آنها تلاش بی ثمر برای یافتن راه حل کردند.

It would be fruitless to continue.

ادامه این کار بی ثمر خواهد بود.

But so much time had passed that much of the search was fruitless.

اما زمان زیادی گذشت که بیشتر جستجو بی ثمر بود.

But the search for these stars has been long and fruitless for many, many years.

اما جستجوی این ستاره ها سالهاست که طولانی و بی ثمر بوده است.

More than two years of on-and-off talks with Ford were fruitless.

بیش از دو سال مذاکرات خاموش با فورد بی ثمر بود.