这个计划能否成功还不得而知。

It is yet to be seen whether this plan will succeed or not.

Source: Tatoeba

Sentence Composition

1 这个 zhège
  1. (pronoun) this
  2. (adjective) this
2 计划 jìhuà
  1. plan
  2. project
  3. program
  4. to plan
  5. to map out

classifiers: 個, 項
3 能否 néngfǒu
  1. whether or not
  2. can it or can't it
  3. is it possible?
=4 成功 Chénggōng Chenggong or Chengkung town in Taitung County 台东县 Táidōng Xiàn, southeast Taiwan
=4 成功 chénggōng
  1. to succeed
  2. success
  3. successful; fruitful
=5 还 Huán surname Huan
=5 还 hái
  1. still
  2. still in progress
  3. still more
  4. yet
  5. even more
  6. in addition
  7. fairly
  8. passably (good)
  9. as early as
  10. even
  11. also
  12. else
=5 还 huán
  1. to pay back
  2. to return
=6 不得而知 bùdéérzhī
  1. unknown
  2. unable to find out
=6 不得而知 bùdé'érzhī to be unable to know or find out; to remain unknown; to be unable to ascertain