是因為什麼原因？

What was the reason for it?

Source: Tatoeba

Sentence Composition

=1 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)
=1 是 shì variant of 是 shì
2 因為 yīnwèi
  1. because
  2. owing to
  3. on account of
3 什麼 shénme
  1. what?
  2. something; anything
4 原因 yuányīn
  1. cause
  2. origin
  3. root cause
  4. reason

classifier: 個