痛心疾首

tòngxīnjíshǒu
  1. bitter and hateful (idiom)
  2. to grieve and lament (over sth)

CEDICT

to be deeply sorrowful and intensely grieve for or abhor something

Wiktionary

痛恨、怨恨到极点。《左传．成公十三年》：「诸侯备闻此言，斯是用痛心疾首，暱就寡人。」也作「疾首痛心」。

重編國語辭典

Entry Composition

1 痛心 tòngxīn
  1. grieved
  2. pained
2 疾首 jíshǒu
  1. extremely angry
  2. infuriated
  3. enraged
  4. headache caused by anger