我是你的皇后她是你的妃
[wŏ shì nĭ de huáng hòu tā shì nĭ de fēi]
'I am your Queen and she is your Consort' portrays a situation where the person sees himself/herself as holding the primary place while the 'her' holds the secondary place in someone's life, often used metaphorically in relationships or friendship scenarios.