at a run

基本解释

She left the house at a run .
她跑着离开房子。
And he made his escape at a run to join his friends.
他随即一溜烟跑去追他那些朋友了。
Meggie followed the dwindling forms of her brothers at a run.
麦琪奔跑着追赶哥哥们逐渐缩小的背影。
dict.cn

They were to prepare for a major battle at a place called Manassas Junction,or Bull Run.
Milton tells himself to run, and naturally he would have to run fast indeed in order to arrive at a moment in time that had already occurred before he even set out!
弥尔顿告诉自己要跑起来了，而且他也确实不得不跑的很快,从而准时到达,他刚出发时就已经存在的目的地！
耶鲁公开课 - 弥尔顿课程节选
Sometimes when correspondence is saved you run into these kinds of problems, so we have to guess a little bit at what she was looking at.
有时即使资料的确存在,可找不到麻烦就来了，因而，我只能去猜测她的大意了。
耶鲁公开课 - 1945年后的美国小说课程节选

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