betrayal
n
[+ally, country] trahison f
betrayal of trust abus m de confiance
→ the betrayal of their mother's trust
a disgraceful betrayal of trust un honteux abus de confiance
She forgave him for his betrayal of her trust. Elle lui pardonna d'avoir trahi sa confiance.
→ she had long ago forgiven Andy for his betrayal of her trust
an act of betrayal un acte de trahison
→ it would be an act of betrayal if a Labour Government did not ban hunting.