give your word
US /ɡɪv jʊər wɜrd/
UK /ɡɪv jʊər wɜrd/

1.
dar a palavra, prometer
to make a promise or a solemn assurance
:
•
I give you my word that I will finish the project on time.
Eu lhe dou a minha palavra de que terminarei o projeto a tempo.
•
He gave his word that he would never betray her.
Ele deu a sua palavra de que nunca a trairia.