话说燕子离不开春天
[huà shuō yàn zi lí bù kāi chūn tiān]
The phrase can be translated as 'Speaking of swallows, they never leave spring.' Swallows are symbolic in Chinese culture for good fortune and are closely associated with the arrival of spring. This nickname conveys loyalty and constancy. It reflects someone's unwavering love for something or their adherence to a particular lifestyle, person, or situation.