未始

wèishǐ
  1. not necessarily
  2. may not turn out to be
  3. maybe not

CEDICT

  1. (literary) not ever
  2. (literary) not necessarily
  3. not ever
  4. not necessarily

Wiktionary

未尝。

重編國語辭典

Entry Composition

1 未 wèi
  1. not yet
  2. did not
  3. have not
  4. not
  5. 8th earthly branch: 1-3 p.m., 6th solar month (7th July-6th August), year of the Sheep
  6. ancient Chinese compass point: 210°
2 始 shǐ
  1. to begin
  2. to start
  3. then
  4. only then

Related entries

不一定 bùyīdìng
  1. not necessarily
  2. maybe
山不一定是綠色的。

Mountains are not necessarily green.

Source: Tatoeba

不见得 bùjiànde
  1. not necessarily
  2. not likely
他说的不见得对。

What he's saying is not necessarily true.

What he says isn't necessarily true.

What he says is not necessarily true.

Source: Tatoeba

未必 wèibì
  1. not necessarily
  2. maybe not
外表未必可信。

Appearances are deceiving.

Source: Tatoeba

未必见得 wèibìjiàndé
  1. not necessarily
  2. that's not sure
未尝 wèicháng
  1. not ever
  2. not necessarily
兩隊至今均未嘗敗績。

Both teams are unbeaten.

Source: Tatoeba

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