v. reveal unintentionally
v. deliver to an enemy by treachery
vt. 出卖, 背叛, 辜负, 暴露
[法] 出卖, 背叛, 泄漏
1. She felt hurt when her best friend betrayed her trust.
当她最好的朋友背叛了她的信任时,她感到受伤。
2. It's hard to forgive someone who has betrayed you.
原谅一个背叛过你的人是很困难的。
3. He promised he would never betray his country.
他承诺永远不会背叛他的国家。