/prɪˈvɛntɪv dɪˈtɛnʃən/ – Phrase
Definition: Giữ tù trước.
A more thorough explanation: 1. the imprisonment of a person to stop them from committing further offences or in an effort to maintain public order
2. the imprisonment of someone who has not necessarily committed a crime, but who an authority thinks is a danger
Example: 1. A repeat offender who molested two young girls on their way to school was sentenced to seven years’ preventive detention.
2. “I don’t agree with preventive detention as being in principle a tool, even in wartime,” he said.