1、at least：至少，不少于
He's been away for at least a week.
他至少走了一个星期。
2、at least：（表示真实性或可能性）至少，最不济
This new transformation is at least as consequential as that one was.
这一新的转变至少和那次一样重要。
3、at least：表示更正或改变自己刚说过的话）至少，起码
I hope at least my daughter was able to offer you some useful pointers .
我希望至少我的女儿为你提供了一些有用的建议。
4、at least：（表示相对于不利条件或糟糕情形）起码，不管怎样
We've come to see you, so you could at least stand and greet us properly.
我们都来看你了，你起码应该起身得体地打个招呼。
5、at least：介词短语,在句中做状语,修饰数量或程度的词语
You at least should let me know.
你 少 说 也 该 让 我 知 道 吧 .
6、at least：作为一个状语,其位置非常灵活,一般放在其强调的部分之前.
Authorities are reporting at least 30 arrests.
当局表示,至少有30人被捕。
