All candidates are carefully vetted for security reasons.

由于安全的缘故，所有的求职申请人都要经过严格的审查。

Some lines of the document have been blacked out for security reasons.

为安全起见，这份文件的一些句子被涂掉了。

This is another important factor for security reasons.

这个问题对于确保安全性非常重要。

The latter resemble bakery delivery for security reasons.

后者像面包运输车一样，是为了安全起见。

Mubarak's trial moved to police academy for security reasons.

对穆巴拉克的审判因为安全原因改在警察学院进行。