他不懂你的心假装哭泣她不懂爱情把它当游戏
[tā bù dŏng nĭ de xīn jiă zhuāng kū qì tā bù dŏng ài qíng bă tā dāng yóu xì]
The meaning of this nickname reflects on complicated and disappointing love relationships where some participants either pretend (crying without truly understanding each other's emotions) or lack true sentiment ('playing with feelings'). It paints a scene of deep miscommunications between lovers.