哭得死去活来
kū​de​sǐ​qù​huó​lái

to cry one's heart out

  1. 哭 kū verb
    to cry
    to cry or weep because of pain, sadness, or strong emotion
  2. 得 de particle
    [degree/result]
    Connects a verb or adjective to a following phrase that describes the degree, effect, or result of the action or state.
  3. 死去活来 死去活來 sǐ​qù​huó​lái
    to an extreme degree
    used after 得 de to describe extreme pain, sorrow, or physical exhaustion