We have a security guard around the whole area.

我们在整个地区周围配有保安人员。

《柯林斯英汉双解大词典》

The sudden appearance of a security guard caused them to drop the money and run.

保安人员突然出现，他们丢下钱就跑了。

《牛津词典》

The gang tied up a security guard.

那群歹徒把一名保安人员捆绑起来。

《牛津词典》

New Orleans Mayor Ray Nagin, his wife and a security guard spent several days in a hospital-like center in Shanghai,China.

VOA: special.2009.07.14

Terre'Blanche served three years in prison after being convicted in 2001 of assaulting a gas station worker and a security guard, both of whom were black.

VOA: standard.2010.04.05

As a security guard stood nearby, the man raged at the senator.

VOA: standard.2009.08.11

It was challenged by a security guard who wanted to keep his gun in his home.

NPR: Supreme Court Strikes Down D.C. Handgun Ban

The front seats of the Popemobile are occupied by a security guard and obviously, the driver.

CNN: Holy rollers: Popemobiles from trucks to limos

At one point in the '90s he was a security guard on a movie set.

CNN: 'Diff'rent Strokes' actor Gary Coleman dies at 42