Were you at any time aware of a quarrel between the two of them?

你什么时候注意到他俩拌过嘴吗？

《牛津词典》

The volcano could erupt at any time.

这座火山随时可能爆发。

《牛津词典》

An active volcano may erupt at any time.

活火山会随时喷发。

《牛津词典》

It has easy appeal for the bully because it does not involve face-to-face contact and it can be done at any time.

VOA: special.2010.04.22

Suppose you are starting a business with somebody-- it could be at any time in history-- Babylonia or something--this must have happened.

假设你要和某人一起做一笔生意...,可以在任何一个时代...,例如古巴比伦或者其他时代...肯定发生过这种事

耶鲁公开课 - 金融市场课程节选

I don't just mean the fact that people are dying all around us, but I mean rather, you yourself could die at any time.

我不是说,死去的人都在我们周围，而是说，你自己可能随时会去世。

耶鲁公开课 - 死亡课程节选

Measles is particularly dangerous in young infants but anyone can get the disease at any time.

BBC: Long shadow cast by MMR scare

For now they are, but he cautions that a 10% correction could happen at any time.

FORBES: Magazine Article

Today America is less dependent on foreign oil than at any time in two decades.

WHITEHOUSE: Remarks by the President at Ohio University, Athens, OH