uncrackable
美
英 
例句
But what the Saudis were concerned about was not so much e-mails but those "uncrackable" instant-messaging chats.
但现在沙特人关心的不是那么多的电子邮件而是那些“不能被解密的”即使短信聊天内容。
Looking at things the other way around, a CAPTCHA system based on words that machines cannot read ought to be uncrackable.
从另一个角度看待事物,验证码系统基于机器无法辨认的文字,应该是牢不可破的。
If the tickets were uncrackable, approximately two of them should have been winners.
如果彩票是不可破解的,应该只有大约两张会是中奖彩票。
There is no 100-percent uncrackable, full-proof cryptographic method.
不存在100%不受攻击的绝对完整的加密方法。