Certain questions are better left without answer.

有些问题还是没有答案的好。

youdao

Without waiting for an answer, he turned and went in through the door.

他没有等候应答，转身进了门。

《柯林斯英汉双解大词典》

He blurted out the answer without thinking.

他不假思索脱口说出了答案。

《牛津词典》

Everyone knows from calculus that if you're trying to find a function about which you know only the derivative, you can always add a constant to one person's answer without changing anything.

学过微积分的人都知道,如果你想根据已知的导数,求出其原函数,你总是可以给某人的答案,随便加一个常数,且不影响结果

耶鲁公开课 - 基础物理课程节选

It goes without saying that these are questions that it's impossible for us to try to answer certainly now, but Milton lets us know later in Paradise Lost that Satan was wrong to embark on his dangerous deconstruction of divine power.

毫无疑问，这些问题,我们现在无法给出确切回答，但弥尔顿后来在《失乐园》中告诉我们，撒旦,想要毁灭神权力量的危险行动是错误的。

耶鲁公开课 - 弥尔顿课程节选

You can add something else to the answer without invalidating it, and that is anything with one power of t in it, because if you take one derivative it'll survive, but if you take two derivatives, it'll get wiped out.

你可以往答案后面加上其它东西,而且不影响结果,也就是任何t的一次项,因为你求一次导数之后它还在,但如果你求两次导数,这一项就不存在了

耶鲁公开课 - 基础物理课程节选

All Blacks took the lead through Stephen Donald's early penalty, but South Africa hit back with 17 points without answer.

CNN: Rugby: South Africa edge All Blacks

Manning left without giving an answer, and went off to inspect the Arizona Cardinals.

WSJ: Sympathy for Tim Tebow as Denver Woos Peyton Manning: Jason Gay

But it was hard to listen to Mr Clinton's answer without feeling some sympathy.

ECONOMIST: Bill Clinton��s unexplained idea