[---]

Jyutping jiu3 bat1 dak1
Pinyin yào bu dé ( toneless variant )

Definitions (Wiktionary)
  1. verb
    to be no good; to be intolerable
    • 這種做法要不得。
      这种做法要不得。
      zhè zhǒng zuò fǎ yào bu dé .
      This way of doing things is no good.

[---]

Jyutping jiu3 bat1 dak1
Pinyin yào bù dé

Definitions (Wiktionary)
  1. verb
    to be no good; to be intolerable
    • 這種做法要不得。
      这种做法要不得。
      zhè zhǒng zuò fǎ yào bu dé .
      This way of doing things is no good.

[---]

Jyutping jiu3 bat1 dak1
Pinyin yào bu de

Definitions (CC-CEDICT)
  1. intolerable; unacceptable
Examples (Wiktionary)
  1. Mandarin
    道理无穷,学者先要不得有自足心。
    道理無窮,學者先要不得有自足心。
    dào lǐ wú qióng , xué zhě xiān yào bu dé yǒu zì zú xīn .
    • Truth is infinite; a scholar cannot afford to have a complacent attitude.
  2. Mandarin
    这种做法要不得。
    這種做法要不得。
    zhè zhǒng zuò fǎ yào bu dé .
    • This way of doing things is no good.