/ʌnˈlɛs ˈɔːdə/ – Phrase
Definition: Trừ khi có lệnh
A more thorough explanation: a court order that may be made where a party is in contempt or has failed to comply with a previous order. That party may be prevented from making a subsequent application to the court unless they comply with the terms of the original order.
Example: The defendants were subject to an unless order which required them to disclose certain information, failing which their defence would be struck out.