吵吵闹闹从不言离弃
[chăo chăo nào nào cóng bù yán lí qì]
It describes a close and perhaps slightly turbulent relationship but with a lot of commitment and loyalty—no matter how much fighting or arguments there is, they would never give up or leave each other. There's strength and steadfastness behind those noisy scenes, emphasizing endurance and resilience within relationships.