All government employees are subject to a security check. 所有政府雇员都要接受安全审查。He lost his security clearance because he failed a lie-detector test.他未能通过测谎,因此没有通过安全审查。They were recruited with no security vetting.他们未经安全审查就被雇用了。Applicants are screened for security.申请人要接受安全审查。