/ bI5treI; bI`tre/ v
[Tn, Tn.pr] ~ sb/sth (to sb) hand over or show sb/sth disloyally (to an enemy) （向敌人）出卖某人或泄漏某事: betraying state secrets 泄漏国家机密 * Judas betrayed Jesus (to the authorities). 犹大（向当局）出卖了耶稣.
[Tn] be disloyal to (sth) 背叛（某事物）: betray one's country, one's principles 背叛自己的国家﹑ 自己的原则 * In failing to return the money he betrayed our trust. 他未能归还那笔钱而辜负了我们的信任.
[Tn] (a) show (sth) unintentionally; be a sign of 无意中显示出（某事物）; 显露出; 表现出: She said she was sorry, but her eyes betrayed her secret delight. 她说她很难过, 但从她的眼神里却流露出她内心的喜悦. * His accent betrayed the fact that he was foreign. 他的口音显露出他是外国人. (b) ~ oneself show what or who one really is 暴露出本来面目: He had a good disguise, but as soon as he spoke he betrayed himself, ie he was recognized by his voice. 他伪装得很好, 可是一说话就原形毕露了（听他的声音就能认出他来）.
> betrayal / bI5treIEl; bI`treEl/ n (a) [U] betraying or being betrayed 背叛或被出卖: an act of betrayal 背叛的 行为. (b) [C] instance of this 背叛: a betrayal of trust 对信任的辜负.