/tə lus ɪˈfɛkt/ – Phrase
Definition: mất hiệu lực pháp lý, đình chỉ hiệu lực.
A more thorough explanation: “To lose effect” in legal terms means that a law, regulation, contract, or other legal document is no longer valid or enforceable. This can happen for various reasons, such as expiration, repeal, or being superseded by a new law. When a legal provision loses effect, it ceases to have any legal force or authority.
Example: The contract will expire at the end of the month, causing the terms and conditions to lose effect.