不快

bùkuài
  1. unhappy
  2. in low spirits
  3. (of a knife) not sharp

CEDICT

  1. Used other than figuratively or idiomatically: see 不, 快 (kuài).
  2. not fast; slow
  3. not sharp; blunt; dull
  4. sick; unwell; ill; indisposed; feeling under the weather
  5. unhappy; displeased; in low spirits

Wiktionary

  1. 不高興。
  2. 不舒服。
  3. 緩慢。
  4. 鈍、不銳利。
  5. 不好。

重編國語辭典

Examples

还不快走！

Hurry, pick up your pace!

Source: Tatoeba

你不快樂嗎?

Aren't you happy?

Source: Tatoeba

他問我快不快樂。

He asked me if I was happy or not.

Source: Tatoeba

她看起來不快樂。

She looks unhappy.

Source: Tatoeba

不快樂不請自來。

Unhappiness comes without being called.

Source: Tatoeba

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Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 快 kuài
  1. rapid
  2. quick
  3. speed
  4. rate
  5. soon
  6. almost
  7. to make haste
  8. clever
  9. sharp (of knives or wits)
  10. forthright
  11. plainspoken
  12. gratified
  13. pleased
  14. pleasant

Containing this entry

不吐不快 bùtǔbùkuài to have to pour out what's on one's mind (idiom)
令人不快 lìngrénbùkuài
  1. unpleasant
  2. objectionable

Related entries

暋 mín
  1. unhappy
  2. worried
  3. depressed
眳睛 míngjīng
  1. unhappy
  2. dissatisfied
恓惶 xīhuáng
  1. busy and restless
  2. unhappy
落落寡歡 luòluòguǎhuān
  1. melancholy
  2. unhappy
葸 xǐ
  1. feel insecure
  2. unhappy
悶悶不樂 mènmènbùlè
  1. depressed
  2. sulky
  3. moody
  4. unhappy
她感到闷闷不乐的。

She felt blue.

Source: Tatoeba

無精打采 wújīngdǎcǎi
  1. dispirited and downcast (idiom); listless
  2. in low spirits
  3. washed out
悵惘 chàngwǎng
  1. distracted
  2. listless
  3. in low spirits