Cách sử dụng
Treachery refers to the act of betraying someone, being disloyal or deceitful. It is often used to describe a situation when someone betrays or deceives someone else in a harmful way. For example, a friend who steals from you or breaks a promise is acting with treachery. We typically use the word treachery in formal and serious situations, such as in politics, wars or relationships. It is important to be honest and loyal to others, and not engage in any form of treachery.