double-cross

noun
1
an act of cheating or tricking somebody who trusts you (usually in connection with something illegal or dishonest)
خیانت, پیمان‌شکنی, نیرنگ
verb
1
to cheat or trick somebody who trusts you (usually in connection with something illegal or dishonest)
خیانت کردن, دغلکاری کردن