是可忍，孰不可忍
shì​kě​rěn​shú​bù​kě​rěn

if this can be tolerated, what cannot?

  1. 是 shì conjunction
    this
    (literary) this; that; such; used as a demonstrative to refer back to what was just mentioned
  2. 可 kě auxiliary
    can
    can; may; to be able to; to be permitted to
  3. 忍 rěn verb
    to endure
    to bear; to tolerate; to put up with
  4. ， shú
    non-Chinese
  5. 孰 shú
    who; what
    (literary) interrogative pronoun used for people or things, often in rhetorical questions
  6. 不可 bù​kě auxiliaryadjective
    cannot
    to be unable to; to be impossible
  7. 忍 rěn verb
    to endure
    to bear; to tolerate; to put up with