betrayed
v.v. to hurt someone who trusts you by doing something dishonest or disloyal. You can also use it when you accidentally show a secret feeling you were trying to hide.
v. to violate the trust or confidence of another through disloyalty or treachery. In a secondary sense, to reveal information or emotions unintentionally. Transitive — requires a direct object.
He felt hurt because his best friend betrayed his secret.
The general betrayed his country by selling classified military documents to a foreign power.
Although she maintained a calm and professional exterior during the interview, her trembling hands betrayed her extreme nervousness to the panel.
The verb is transitive and takes a direct object. When used to mean 'reveal', it often takes an abstract noun like 'secret', 'emotion', or 'origin' as its object.
he betrayed to his friendhe betrayed his friendBetray is a transitive verb; it should be followed directly by the person or thing being betrayed without a preposition.