除非有人跟他說話，他不說話。

He did not speak unless spoken to.

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 有人 yǒurén
  1. someone
  2. people
  3. anyone
  4. there is someone there
  5. occupied (as in restroom)
3 跟 gēn
  1. heel
  2. to follow closely
  3. to go with
  4. (of a woman) to marry sb
  5. with
  6. compared with
  7. to
  8. towards
  9. and (joining two nouns)
4 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
5 說話 shuōhuà
  1. to speak
  2. to say
  3. to talk
  4. to gossip
  5. to tell stories
  6. talk
  7. word
6 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
7 不 bù
  1. no; not so
  2. (bound form) not; un-
8 說話 shuōhuà
  1. to speak
  2. to say
  3. to talk
  4. to gossip
  5. to tell stories
  6. talk
  7. word