哀莫大于心死
āi​mò​dà​yú​xīn​sǐ

nothing is more wretched than apathy

  1. 哀 āi adjective
    sad
    (bound form) sad; tragic; doleful
  2. 莫 mò adjective
    none
    (literary) nothing; no one; there is none who
  3. 大于 大於 dà​yú verb
    greater than
    to be more, bigger, or greater than; also used as a mathematical operator
  4. 心死 xīn​sǐ
    to be hopeless
    To be desperate or completely demoralized; to have given up all hope regarding a situation or person