/ˈmjuːtɪzəmˈ/ – Noun
Definition: 1. tật câm;
2. việc từ chối trả lời các câu hỏi thẩm vấn, việc từ chối cung khai;
3. sự im lặng của người bị hỏi cung.
A more thorough explanation: Mutism is a condition characterized by the inability or refusal to speak, often due to a psychological or emotional cause. It can also refer to a legal term used to describe the inability of a person to communicate verbally, such as in court proceedings.
Example: The defendant’s mutism during the police interrogation made it difficult for the officers to gather information about the crime.