lo是什么意思

As soon as we go out,lo and behold,it begins to rain.
我们刚一出门，你瞧，就下起雨来了。

And lo! On the white snow there was indeed a thing of gold.
瞧！洁白的雪地上的确有一块金色的东西。

Lo, the manager remembered that he had never had so much.
瞧，经理记得他从未有过这么多钱。

Lo! Men have become the tools of their tools.
看！人类已成为他们工具的工具。

Lo and behold, everything they needed was there.
结果你看，他们所要的每样东西就近在眼前。