做你的小妖精做你的小狐狸
[zuò nĭ de xiăo yāo jīng zuò nĭ de xiăo hú lí]
'Be your little demon, be your little fox'. These animals have connotations in Chinese folklore of being sly and enchanting, hence expressing someone wishing to be cunning, adorable, and irresistible in another's eyes.