他是我贱人她是我内人
[tā shì wŏ jiàn rén tā shì wŏ nèi rén]
These terms refer respectively to a 'lover (sometimes with a negative connotation)' and a 'mistress (or wife). Here it may be used sarcastically to describe complex or conflicting relationship roles, which could be seen as controversial and not suitable in certain social situations.