你已经知道了，不是吗？

You knew about this already, didn't you?

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
=2 已经 yǐjīng already
=2 已经 yǐjìng already
3 知道了 zhīdàole
  1. OK!
  2. Got it!
4 不是吗 bùshìma isn't that so?