“几乎”的意思是差一点，还差很小的一点点就到了某个程度。

The meaning of "几乎" is almost, just a tiny bit short of reaching a certain degree.

我们常常用它来说事情差不多是这样的，比如“几乎所有人”“几乎每天”。

We often use it to say that something is nearly like this, for example, "几乎所有人" (almost everyone) and "几乎每天" (almost every day).