/ɪˈliːɡəl straɪk/ – Phrase
Definition: cuộc bãi công trái phép.
A more thorough explanation: An illegal strike refers to a work stoppage or strike action undertaken by employees that violates the laws or regulations governing labor relations, typically by failing to comply with legal requirements such as notice periods, dispute resolution procedures, or prohibitions on strikes in essential services.
Example: The court ruled that the strike was illegal under the terms of the collective bargaining agreement.