without any reason

常见例句

I was criticized without any reason.
我平白无故挨了批评。
《新英汉大辞典》
We will be laughing without any reason, no jokes.
我们要没有任何理由地去笑，而不是因为笑话而笑。
"Sometimes I wake up in the middle of the night without any reason and feel sick, especially if I haven't eaten in a long time, " said Wang, adding that he rarely goes to a hospital.
“有时我会在半夜醒来，没有任何原因，只是感到不舒服，特别是如果我长时间没有吃东西时，”王还说他很少去医院。

They cause you to change you behavior without giving you any reason to change your behavior.
它们导致你改变了你的行为,但没有给你改变行为的理由。
耶鲁公开课 - 死亡课程节选
On the one hand, it could be that certain facts, if you knew them, would cause you to behave differently without actually giving you any reason to behave differently.
一方面，可能有某些事实，如果你知道了它们，会导致你的行为不同,但并没有真正地给你改变行为的理由。
耶鲁公开课 - 死亡课程节选

When British soldiers capture a place they start checking all the houses and arrest the civilians without any reason.
ECONOMIST: British forces in Afghanistan
It's about your life being taken from you without any reason.
NPR: Iraqi Agency Targets Police Torture
Instead of coming together like past generations did to build a better country for our children and grandchildren, their argument is that we should let insurance companies go back to denying care for folks who are sick, or let credit card companies go back to raising rates without any reason.
WHITEHOUSE: The President’s Vision for the Economy