/wɪl.fəl ˈmɜː.dər/ – Phrase
Definition: tội cố sát, tội giết người có chủ ý.
A more thorough explanation: Wilful murder is the intentional and premeditated killing of another person with malice aforethought. It is a deliberate and unlawful act that is committed with the knowledge that it will result in the death of the victim.
Example: The defendant was charged with wilful murder for intentionally causing the death of the victim.