她的大笑显示了她对此观点的蔑视 保存 删除 betray a secret. 泄露秘密 保存 删除 betrayed their cause; betray one's better nature. 不忠实他们的事业;背离善良本性 保存 删除 .
权威例句
1.
Galileo was afflicted with a cold and crazy mother after he made his first telescope, she tried to bribe a servant to betray its secret so that she could sell it on the market!