He had a way of throwing Helen off guard with his charm when she least expected it.

他有办法用他的魅力让海伦在最意想不到的时候失去戒备。

《柯林斯英汉双解大词典》

They stand guard with weapons as the human survivors of the battle are marched onto the shuttle.

当战斗的人类幸存者被押上航天飞机时，他们拿着武器站岗。

youdao

Beth: I heard that Mike got caught by the security guard with some company pens in his bag.

贝丝：我听说迈克因为包里有公司的笔被保安抓了。

youdao

But he still has two years with the National Guard.

VOA: special.2011.07.08

Earlier,the king gave President Obama a red-carpet airport welcome complete with a military honor guard and a 21 gun salute.

VOA: standard.2009.06.03

The United States has announced it will send 1200 National Guard troops to the border with Mexico.

VOA: standard.2010.07.20

Pro basketball player Andy Rautins is best known as a guard with the New York Knicks.

FORBES: The Not-So-Empty Nest: More Young Adults Choose To Live With Parents

At Naushki, on the Russian side, a guard with a German shepherd briskly announced himself at our compartment.

WSJ: Riding the Trans-Mongolian Railway through Russia, China and Mongolia

The company has long supplied the Coast Guard with search and rescue aircraft as well as its radar system.

FORBES: Boeing Fights Back