In fact, OpenBSD is so secure that it was once banned for use in a DEF CON competition, where crackers go after each other's systems.

事实上，OpenBSD是如此的安全，以至于在DEF CON竞赛中曾一度禁止使用它，在这个竞赛中，破解高手们对所有其他的系统进行攻击。

youdao

I'm basically just an ex-con trying to go straight and look after my kids.

基本上，我就是一个想要改邪归正并照看好我的孩子们的有前科之人。

youdao

As the young people shouted, the old con slowly rose from his seat and made his way to the front of the bus to go home.

在年轻人的欢呼中，这位前犯人慢吞吞地从座位上站起来，向车子前部走去，准备回家。

youdao

When memory chip maker LG Semi-con of South Korea decided to go public this year, it could not have foreseen that the bottom would drop out of the market for its primary product.

CNN: Going to the People