vefasızlık göstermek

listen to the pronunciation of vefasızlık göstermek
Türkisch - Englisch
go back on
To be treacherous or faithless to; betray; as, to go back on friends
To fail to keep; to renege on; as, to go back on one's promises

On Sunday Iranian President Mahmoud Ahmadinejad said his country would not go back on its nuclear programme. -- BBC News.

To fail to honor or keep - "go back on a promise."
fail to fulfill a promise or obligation; "She backed out of her promise"
betray one's trust, break a promise
If you go back on a promise or agreement, you do not do what you promised or agreed to do. The budget crisis has forced the President to go back on his word