狗嘴吐出象牙不要太天真
[gŏu zuĭ tŭ chū xiàng yá bù yào tài tiān zhēn]
This name conveys a sense of disappointment and a warning not to be naive. 'Dog's mouth spitting ivory' is a Chinese idiom meaning that one should not expect something good to come from an unworthy source. Thus, this nickname reflects a cynical and practical mindset.