收起你那特么假惺惺的狗脸
[shōu qĭ nĭ nèi tè me jiă xīng xīng de gŏu liăn]
A rather strong expression, translating roughly as 'Take that damn fake smile off your dog’s face'. It conveys frustration or anger towards pretentiousness or hypocrisy, specifically someone faking kindness or concern insincerely.