除非是你做饭，否则我是不会吃的。

I won't eat it unless you cooked it.

Source: Tatoeba

Sentence Composition

1 除非 chúfēi
  1. only if (..., or otherwise, ...)
  2. only when
  3. only in the case that
  4. unless
=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 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 做饭 zuòfàn
  1. to prepare a meal
  2. to cook
5 否则 fǒuzé otherwise; if not; or (else)
6 我 wǒ
  1. I
  2. me
  3. my
=7 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)
=7 是 shì variant of 是 shì
8 不会 bùhuì
  1. improbable
  2. unlikely
  3. will not (act, happen etc)
  4. not able
  5. not having learned to do sth
  6. (coll.) (Tw) don't mention it
  7. not at all
9 吃的 chīde (coll.) food