我相信你说的是真的。

I think what you say is true.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 相信 xiāngxìn to believe; to be convinced; to accept as true
=3 你 nǐ you (informal, as opposed to courteous 您 nín)
=3 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.)
4 说的是 shuōdeshì
  1. (colloquial) indeed; you said it!; that's it!
  2. indeed; you said it!; that's it!
=5 真的 zhēnde
  1. really; truly; indeed
  2. real; true; genuine
  3. (math.) proper
=5 真的 zhēndí
  1. (literary) true; real
  2. true; real