患难与共真朋友面扮笑脸假狗人
[huàn nán yŭ gòng zhēn péng yŏu miàn bàn xiào liăn jiă gŏu rén]
'Suffering together reveals true friends, smiling on the surface but false dog at heart.' This phrase contrasts genuine friendship tested by hardships with superficial, two-faced acquaintances. The user may be disillusioned about certain relationships.