overreach

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Right now, public fears of overreach seem to be under control, but they aren't far beneath the surface.
眼下，公众对摊子铺得太大的担忧似乎得到了控制，但这远没到可以忽略的程度。
blog.sina.com.cn
Yet from the point of view of liberty, there is a serious danger of overreach, and therefore grounds for caution.
然而，从自由的角度来看，软家长主义存在严重越权的危险，因此，有必要谨慎从事。
In both cases, Mr Beinart argues, the desire to do great deeds and not simply what was necessary led to episodes of overreach and disappointment.
贝纳特认为，在两个案例，意欲进行伟大壮举而不单单只做必要之事导致了过度伸张和失望。

Without judicial review or informed public debate, the potential for abuse and overreach is vast.
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If the Democrats overreach, if the party's liberals go too far, that may improve GOP standing.
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This represents a spectacular overreach of authority which end-runs designated responsibilities constitutionally reserved for Congress.
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If you say that someone overreaches themselves, you mean that they fail at something because they are trying to do more than they are able to.