单词：have been there before
[俚语]曾经领略过此种滋味，曾经亲身经历过；[俚语]亲身经历过；领略过此中甘苦；直接了解；全都知道
have been there before的用法和样例：
例句
- I have been there once or twice.我到过那里几次。
- I have myself seen a striking instance.我曾亲眼看到过这样动人的例子。
- You haven't lived to see everything you've worked for fall apart.你还没有亲眼看到过你毕生经营的事遭到失败呢。