人前一套背后一套你累么
[rén qián yī tào bèi hòu yī tào nĭ lĕi me]
This phrase criticizes hypocritical behavior, implying that putting on different faces for different people can be tiring. It refers to the frustration of dealing with someone who appears one way in public but behaves differently behind closed doors. It questions whether pretending is emotionally exhausting for such individuals.