這次是真心話。

This time, I really mean it.

Source: Tatoeba

Sentence Composition

1 這次 zhècì this time
=2 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 是 shì variant of 是 shì
3 真心話 zhēnxīnhuà
  1. (by extension) truth; factual statement
  2. (literally) sincere words; genuine speech
  3. sincere words; genuine speech
  4. truth; factual statement