/ˈʌdəltərəs ˈɪntərkɔrs/ – Phrase
Definition: quan hệ ngoại tình.
A more thorough explanation: Adulterous intercourse refers to sexual relations between a married person and someone who is not their spouse, which is considered a violation of the marital commitment and can be grounds for legal action in some jurisdictions.
Example: The court found the defendant guilty of engaging in adulterous intercourse with a married person, which is a violation of state law.