给予温馨后的快乐你不懂
[jĭ yŭ wēn xīn hòu de kuài lè nĭ bù dŏng]
You don't understand the happiness after giving warmth. Expresses deep-seated disappointment that despite providing care or love, the intended recipient doesn't appreciate or understand the resultant joy, conveying feelings of misunderstood effort or emotion.