据我所知，这个谣言不是真的。

To the best of my knowledge, the rumor is not true.

Source: Tatoeba

Sentence Composition

1 据我所知 jùwǒsuǒzhī
  1. as far as I know
  2. to the best of my knowledge
2 这个 zhège
  1. (pronoun) this
  2. (adjective) this
3 谣言 yáoyán rumor
=4 不是 bùshì
  1. no
  2. is not
  3. not
=4 不是 bùshi fault; blame
=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