When I knew that the activity has to been cancel, I felt so sorry for everyone but it was really due to security reasons as there were too many people!

当我知道因为人太多而造成安全的问题，让活动被取消的时候，我真的感到很不好意思！

youdao

If you want to embed the access due to performance or security reasons, then you only need a service adaptor to access the function.

如果出于性能或者安全方面的考虑，您希望嵌入访问，那么您只需要一个服务适配器来访问这项功能。

youdao

Records security and sensitivity needs. Some records require limitations on access to them for reasons of confidentiality, proprietary nature of the information or due to legal protections.

档案安全与敏感需求。为了机密、资讯专属性、或法规保护等理由，某些档案的存取必须受到限制。

youdao

Eide said a significant number of polling stations in strife-torn Helmand, Kandahar, Ghazni and Wardak provinces will not be able to open due to security reasons.

CNN: Violence, graft overshadow Afghan elections

Although Kenya's prime real estate might be booming, analysts say that international investors have been slow to dive into the country's market, partly due to security reasons.

CNN: Lavish and sleek: Kenya's prime property market boom

"I think there was some initial hesitancy due to safety and security reasons and because some new fads in technology don't always take hold, " said Kolb, adding that the IACP established its Center for Social Media in 2009 after many police chiefs sought guidance on how to incorporate the technology into their departments.

MSN: Police embrace emerging social media tool