不知道是誰發明的呢?

I wonder who invented it.

Source: Tatoeba

Sentence Composition

1 不知 zhī
  1. not to know
  2. unaware
  3. unknowingly
  4. fig. not to admit (defeat, hardships, tiredness etc)
=2 dào
  1. (bound form) way; reason; principle
  2. (bound form) a skill; an art; a specialization
  3. (Daoism) the Way; the Dao
  4. to say (introducing a direct quotation, as in a novel)
  5. (bound form) to express; to extend (polite words)
  6. classifier for long thin things (rivers, cracks, shadows etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process
  7. (old) circuit (administrative division)

classifiers: ,

=2 dǎo
  1. (obsolete on its own in Standard Chinese) alternative form of / (dǎo, “to direct; to guide; to lead; to conduct”)
  2. alternative form of / (dǎo, “to direct; to guide; to lead; to conduct”)
=3 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)
=3 shì variant of shì
4 shéi
  1. who
  2. also pr. shuí
5 發明 míng
  1. to invent
  2. an invention

classifier:

=6 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 de "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. or di in poetry and songs
=6 a taxi; a cab (abbr. for 的士 shì)
=6 really and truly
=6 (bound form) bull's-eye; target
=7 ne
  1. particle indicating that a previously asked question is to be applied to the preceding word ("What about ...?", "And ...?")
  2. particle for inquiring about location ("Where is ...?")
  3. particle signaling a pause, to emphasize the preceding words and allow the listener time to take them on board ("ok?", "are you with me?")
  4. (at the end of a declarative sentence) particle indicating continuation of a state or action
  5. particle indicating strong affirmation
=7 dense wool fabric (used for coats and jackets)