Don't judge or offer advice before you know more about others and the topic.

在你对别人和话题了解得更多之前，不要妄下结论或提出建议。

youdao

Before you know it, you'll have a group of friends to have fun with every day!

在你意识到它之前，你会有一群每天都一起玩的朋友！

youdao

Don't make presumptuous comments out of ignorance. Don't make improper comments before you know the whole story.

不要不明原委， 就妄加评论。

《新英汉大辞典》

We see that you know from everyone,they say their interest in science begins before the age of eleven.

VOA: special.2010.04.01

Before you know it, they're going to be talking about their financial situation and how you fit into it.

不可避免的,他们会说到自己的财务状况,以及你是否适合在他们公司出版作品

耶鲁公开课 - 金融市场课程节选

as before, you know... I don't think people noticed it as much as they do now.

像从前一样……我认为人们不曾像现在这样关注过它。

关于哥伦布环岛 - SpeakingMax英语口语达人

Don't get too comfortable, because these bad boys will be gone before you know it.

ENGADGET: Slickdeals' best in tech for September 17th: 30-inch HP monitor, motherboard combo and SSDs

After all, how can you pay tax before you know exactly how much your gain is?

FORBES: The Lauders did it. So did Craig McCaw and Ronald Perelman.

In fact before you know it, all the Summer blockbusters will be coming home.

ENGADGET: Blu-ray releases on September 14th 2010 HD