A firewall provides an essential security blanket for your computer network.

防火墙为计算机网络提供了基本安全保障。

《牛津词典》

The government has thrown a security blanket around the talks.

政府明令禁止泄露谈判内容。

《牛津词典》

"Phones become our security blanket," Wortmann says.

“手机成为了我们的‘安慰毯’，”沃特曼说。

youdao

But it is also possible that some officials actually wanted the violence to escalate, as a pretext to impose blanket security on the city long before the Olympics.

ECONOMIST: Tibet

Instead, he called for better enforcement of all existing gun laws and creating "an immediate blanket of security around our children" by putting armed guards at all the nation's schools.

CNN: February 1, 2013 -- Updated 0041 GMT (0841 HKT)

Yet some still cling to protectionist tariffs like an overgrown child to a security blanket.

CNN: Full Speed Ahead