我知道至少有两人干过同样的事。

I know of at least two people who did the same thing.

《牛津词典》

我会(勇敢地)面对工作，因为我知道至少每天早上出发时我的心情是愉快的。

I got through it knowing that at least my morning would start out right.

youdao

我知道他们至少有两个临时职位的需求。

I know they have at least two temporary positions available.

youdao

I don't know. It's at this point of a possible confusion, at least a momentary, provisional confusion, that we know that the poet has identified with the sun.

我不知道，这里有一点迷惑性，至少是一种瞬间而来的迷惑，我们知道作者认为自己等同于太阳。

耶鲁公开课 - 弥尔顿课程节选

This is a calculus-based class and I expect everyone to know at least the rudiments of differential calculus.

这门课需要微积分的数学基础,我觉得每个人至少应该知道,一些微积分的基础知识

耶鲁公开课 - 基础物理课程节选

But there was an exhibit of jellyfish, I know at least until last year, at the Boston Museum of Science, and all of you guys can get in there free.

但那以前有水母的展示，我知道至少去年有，在波士顿科学博物馆，你们都可以免费去看。

麻省理工公开课 - 化学原理课程节选