find out 知道事实

　　If you find the document, you'll find out the truth. 如果你找到那份文件，你就会知道真相了。

　　I want you to find out if my daughter is using. drugs again. 我想知道我女儿是不是又重新开始吸毒了。

　　We need to find out what is going on there. 我们需要知道那里正在发生什么事情。

　　I found out that she didn't love me anymore. 我发现她不再爱我了。

　　I just found out that I got transferred. 我刚刚发现，我被交易了。

　　I'm sorry to hear that. 很抱歉听到这个消息。