0 (of actions) having no effect or achieving nothing -- （行動）無作用的；無效的；不成功的
Attempts to get supplies to the region are futile because troops will not allow the aid convoy to enter the city. 往該地區運送物資的努力失敗了，因爲軍方不允許救援物資護送隊進城。
It's completely futile trying to reason with him - he just won't listen. 跟他講道理一點用都沒有——他就是不聽。
All my attempts to cheer her up proved futile. 我想讓她快活起來，但所有的努力都白費了。
Like thresholds for significance tests, statistical thresholds for what should count as futile are not discovered.
Her research explores a range of topics, including justice in healthcare, healthcare for aging individuals and populations, and the use of medically futile treatment.
Many public health physicians realized how futile their efforts were.
The family was responsible for continuing futile treatment in 62% of cases, the physician in 37% of cases, and a court-appointed surrogate in one case.
Therefore, attempts to extract meaningful information from the spectrum may appear futile.
The hospital had just adopted a policy specifying that life-sustaining treatment for permanent unconsciousness was futile and, therefore, not indicated.
Other arguments for continuing "futile care" are religious faith or religious doctrine.
Other factors may lead clinicians to prematurely foreclose the prospect of recovery and view care for patients with a disorder of consciousness as being futile.
