了无生趣

了無生趣
liǎowúshēngqù
to lose all interest in life (idiom)

CEDICT

毫无生存的意愿。

重編國語辭典

Entry Composition

1 了无 liǎowú to completely lack; to have not even the slightest
2 生趣 shēngqù
  1. (literary) joy of life
  2. (literary) vividness
  3. joy of life
  4. vividness