王雨纯别人安靖岚犹如小三
[wáng yŭ chún bié rén ān jìng lán yóu rú xiăo sān]
It seems like it describes a love triangle where 'Wang Yuchun' feels like she is treated as 'another woman' compared to An Jinglan. A third-party interloper into the intimate relationship of a couple is called 'the little third' (Xiaosan).