伤我谁痛伤你我痛
[shāng wŏ shéi tòng shāng nĭ wŏ tòng]
Translates to 'Whoever hurts me will hurt, whoever hurts you, I will feel pain.' It illustrates an intense sense of protectiveness, where their own pain can be inflicted upon themselves by hurting or by seeing their loved one suffer.