/kəˈluːʒәn/ – Noun
Definition: thông đồng, thông mưu (để làm hại người thứ ba hay lừa dối tòa).
A more thorough explanation: Collusion is an agreement, usually secretive, between two or more parties to deceive, mislead, or defraud others. It often involves illegal or unethical behavior aimed at gaining an unfair advantage.
Example: The two companies were accused of collusion in fixing prices, which is a violation of antitrust laws.