我不入地獄，誰入地獄 [－－－－狱－谁－－狱]

Jyutping ngo5 bat1 jap6 dei6 juk6 ， seoi4 jap6 dei6 juk6
Pinyin wǒ bù rù dì yù ， shéi rù dì yù

Definitions (Wiktionary)
  1. phrase, idiomatic
    if I don't do it, who will?; if I don't help, who will?; sacrifice oneself in order to save others