除非你有什么值得说的话要说，否则就别吭声。

Don't speak unless you have something worth saying.

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 你 nǐ you (informal, as opposed to courteous 您 nín)
=2 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.)
3 有什 yǒushén
  1. (literary) what does it have?
  2. (literary) what is there?
  3. what does it have?
  4. what is there?
=4 么 Yāo surname Yao
=4 么 yāo
  1. youngest
  2. most junior
  3. tiny
  4. one (unambiguous spoken form when spelling out numbers, esp. on telephone or in military)
  5. one or ace on dice or dominoes
  6. variant of 吆 yāo, to shout
=4 么 má exclamatory final particle
=4 么 ma interrogative final particle
=4 么 me suffix, used to form interrogative 什么 shénme, what?, indefinite 这么 zhème thus, etc
=4 么 me variant of 么 me
=4 么 yāo
  1. (Mainland China) yocto- (SI unit prefix)
  2. (dialectal) one
  3. (mathematics) related to number 1
  4. a surname
  5. ace; one on dice or dominoes
  6. one
  7. one (used to reduce ambiguity when saying the numeral 1, especially on the phone, when reading an ID card, in aviation, or in the military)
  8. related to number 1
  9. tiny; minute
  10. yocto- (SI unit prefix)
  11. youngest
=5 值得 zhíde
  1. worth the money
  2. to merit; to deserve; to be worth (doing sth)
=5 值得 zhídé
  1. to be worth; to merit; to deserve; to be worthy of
  2. worthwhile
=6 说 shuì to persuade
=6 说 shuō
  1. to speak; to talk; to say
  2. to explain; to comment
  3. to scold; to tell off
  4. (bound form) theory; doctrine
=6 说 shuō variant of 说 shuō
7 的话 dehuà if (coming after a conditional clause)
8 要说 yàoshuō
  1. as for
  2. when it comes to
9 否则 fǒuzé otherwise; if not; or (else)
10 就 jiù
  1. (after a suppositional clause) in that case; then
  2. (after a clause of action) as soon as; immediately after
  3. (same as 就是 jiùshì) merely; nothing else but; simply; just; precisely; exactly
  4. only; as little as
  5. as much as; as many as
  6. to approach; to move towards
  7. to undertake; to engage in
  8. (often followed by 着 zhe) taking advantage of
  9. (of food) to go with
  10. with regard to; concerning
  11. (pattern: 就 jiù ... 也 yě ...) even if ... still ...
  12. (pattern: 不 bù ... 就 jiù ...) if not ... then must be ...
=11 别 Bié surname Bie
=11 别 bié
  1. to leave; to part (from)
  2. (literary) to differentiate; to distinguish
  3. (dialect) to turn away; to turn aside; to avert (one's face, gaze etc)
  4. (bound form) other; another; different
  5. don't ...!
  6. to fasten with a pin or clip
  7. to stick in; to insert (in order to hinder movement)
  8. (noun suffix) category (as in 性别 xìngbié, 派别 pàibié)
=11 别 biè to make sb change their ways, opinions etc
12 吭声 kēngshēng to utter a word