未能

wèinéng
  1. cannot
  2. to fail to
  3. unable to

CEDICT

  1. cannot; must not; should not
  2. to be unable to; to fail to

Wiktionary

Examples

他未能遵守交通规则，结果发生了严重的事故。

His failure to observe traffic regulations resulted in a serious accident.

Source: Tatoeba

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 能 néng
  1. can
  2. to be able to
  3. might possibly
  4. ability
  5. (physics) energy

Containing this entry

未能免俗 wèinéngmiǎnsú
  1. unable to break the custom (idiom)
  2. bound by conventions

Related entries

不克 bùkè
  1. cannot
  2. to not be able (to)
  3. to be unable to
不能 bùnéng
  1. cannot
  2. must not
  3. should not
我不能走。

I can't go.

I can't leave.

I cannot leave.

Source: Tatoeba

未可 wèikě cannot
不可能 bùkěnéng
  1. impossible
  2. cannot
  3. not able
不可能的。

That can't be it.

Source: Tatoeba

不容 bùróng
  1. must not
  2. cannot
  3. to not allow
  4. cannot tolerate
雖然激情可能會褪去，卻不容它破壞我們感情上的聯繫。

Though passion may have strained, it must not break our bonds of affection.

Source: Tatoeba

不得 bùdé
  1. must not
  2. may not
  3. not to be allowed
  4. cannot
總統不得解散國會。

The President cannot disband the Parliament.

Source: Tatoeba

不足 bùzú
  1. insufficient
  2. lacking
  3. deficiency
  4. not enough
  5. inadequate
  6. not worth
  7. cannot
  8. should not
光看表面是不足夠的。

All that glitters is not gold.

Source: Tatoeba

不了 bùliǎo
  1. (as a resultative verb suffix) unable to (do sth)
  2. (pattern: {verb} + 个 ge + ~) without end; incessantly
你不了解。

You don't understand.

Source: Tatoeba

不成 bùchéng
  1. won't do
  2. unable to
  3. (at the end of a rhetorical question) can that be?
我們做不成嗎？

Can't we work this out?

Source: Tatoeba