N-VAR
辜负；背叛；出卖
A betrayal is an action which betrays someone or something, or the fact of being betrayed.
例句
She felt that what she had done was a betrayal of Patrick...
她觉得自己的所作所为是对帕特里克的背叛。
He acknowledged the sense of betrayal by civil rights leaders.
他承认自己有被民权领袖出卖了的感觉。