find out 分类：短语动词 定义 查明、发现，指通过努力或调查得知某事。 用法 表示经过调查或努力后发现 后可接名词、从句或疑问词+不定式 例句 I need to find out the truth. We found out that he was lying. Can you find out how to do it? 相关术语 discover 短语动词