She hasn't been cleared by security.

她尚未获保安部门批准做机要工作。

《牛津词典》

Police officials said the detained man was not on any international no-fly lists and that he had cleared a security check in Canada.

警方说，被拘留的男子并不在任何国际禁飞名单上，而他也通过了加拿大的安全检查。

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Once the security features are there, these methods for data storage will start being disabled or cleared, just as cookies are today.

一旦安全特性出现了，原来的一些数据存储方法就会被逐渐禁用或清除，cookie目前的情况就是这样。

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It even has security-cleared staff, including some from the British agency, to shake down the gear and ensure it can't be exploited by spooks or crooks.

ENGADGET: Huawei working with British spy service to prove its 'kit' is clean

If the bill becomes law, special security-cleared lawyers would argue about the material in private, and defendants would also not be able to know the evidence used against them.

BBC: Government scraps 'secret inquests' plan

So the government wants judges and security-cleared lawyers to hear the evidence in what are called "closed material proceedings" so that more cases can be heard and taxpayers' money can be saved.

BBC: Gloves to come off in secret courts battle