Betraying a trust is a very quick and painful way to terminate a friendship.--- Emerson

　　背信弃义会迅速而痛苦地断送友谊。----爱默生

　　【世博精解】

　　betray的释意如下：

　　1. give aid or information to an enemy of; commit treason against:

　　背叛，出卖给敌方提供帮助或情报；通敌叛国。例如：betray one's country.背叛祖国

　　2. deliversintosthe hands of an enemy in violation of a trust or allegiance:

　　出卖违背信任或忠诚地送给敌方。例如：betrayed Christ to the Romans.将耶稣出卖给罗马人

　　3. be false or disloyal to:

　　背信或不忠实。例如：betrayed their cause; betray one's better nature.不忠实他们的事业；背离善良本性

　　4. divulge in a breach of confidence:

　　以违背信任而泄露。例如：betray a secret.泄露秘密

　　5. make known unintentionally:

　　无意识地暴露。例如：Her hollow laugh betrayed her contempt for the idea.她的大笑显示了她对此观点的蔑视