机场有严格的安全措施以确保安全。

There is ___tight security at the airport to ensure safety.

学校对校服政策保持严格控制。

The school kept ___tight control of its policy on school uniform.

由于先进的技术和建设，这栋建筑有严格的安全措施。

The building has ___tight security because of its advanced technology and construction.