futile effort

基本解释

It was a near-futile effort.
这近乎是一个徒劳无功的努力。
gounahaozi.org
After watching the seemingly futile effort, the observer said, "There must be thousands of starfish on this beach. It would be impossible for you to save all of them."
目睹小男孩似乎徒劳的努力，旁观者发话了：“海滩上的海星一定成千上万。
The unbelievable had happened, and any effort seemed futile compared the magnitude of the event.
难以置信的事情已经发生，与此事件相比任何努力似乎都是微弱无力的。

At this point, I recalled a long-ago futile effort to unclog my junk e-mail account.
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But the drive for sanctions has been a frustrating and some say futile effort.
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Rather than lead yet another futile effort to eliminate North Korean nuclear weapons, Washington should disengage from the Korean peninsula.
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