/ˈlɪvɪŋ ɪn əˈdʌltəri/ – Phrase
Definition: hành vi công khai chung sống ngoài giá thú của hai người (mặc dù trong hai người đó có một người đang có vợ hay chồng).
A more thorough explanation: Living in adultery refers to the situation where a married person cohabits with someone other than their spouse in a relationship that involves a sexual component. This term is often used in legal contexts to describe a situation where a person is engaging in an extramarital affair and is living with their paramour as if they were married.
Example: Living in adultery is considered a ground for divorce in many jurisdictions.