People are being murdered every day and I am powerless to stop it.

每天都有人被杀害，而我却无力制止。

《柯林斯英汉双解大词典》

Or are we on a collision course with some future crisis whose advancing outlines we can dimly perceive but seem powerless to stop?

或者我们真的是在一个有着一些可察觉却无力改变的未来危机的碰撞航线上？

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This domino effect makes it hard to find the motivation and energy to get anything done and you can find your life spiraling downward and feeling powerless to stop it.

这种多米诺效应会让你很难有动力和精力完成其他事情，你会感觉自己的生活正走向下坡路，而自己却没有能力阻止它。

youdao

Now for the really depressing part: The United States seems powerless to stop it.

CNN: Commentary: Who needs friends like Musharraf?

Because of Section 735, federal courts would be powerless to stop Monsanto from selling their product.

FORBES: Exposing the Anti-GMO Legal Machine: The Real Story Behind the So-Called Monsanto Protection Act

Once he made up his mind, the Minnesota Timberwolves were powerless to stop him.

WSJ: Melo's 36 lift Knicks over Wolves, 100-94