know what it is

• 深知其中滋味,亲身经历过

know what it is的用法和样例：

例句

1. Nicodemus and Joseph know all about that.
   尼哥底母和约瑟都亲身经历了这个能力。
2. The novel is written from personal experience.
   这部小说是根据个人亲身经历写成的。

词汇搭配

• You know what it is. 你是知道他那个脾气的...
• know what o'clock it is 什么都知道; 熟悉情...