/wɪlˈfʊl pɑːrˈtɪsɪpənt ɪn ə kraɪm/ – Phrase
Definition: người chủ tâm tham gia hành vi phạm tội, kẻ đồng phạm.
A more thorough explanation: A “wilful participant in a crime” refers to an individual who knowingly and intentionally takes part in a criminal act or scheme. This person is fully aware of their actions and willingly engages in the illegal activity, demonstrating a deliberate and conscious decision to be involved in the commission of the crime.
Example: The defendant was found guilty of being a wilful participant in the crime of armed robbery.