The guard clanked his heavy ring of keys.

看守把他的那串沉甸甸的钥匙弄得叮当响。

《牛津词典》

On the platform, the guard blew his whistle.

站台上，警卫吹响了他的哨子。

《柯林斯英汉双解大词典》

The guard fired four shots in rapid succession.

卫兵接连开了四枪。

《牛津词典》

The guard thought they were joking until he saw their guns.

VOA: special.2009.06.25

One of the things, by the way, that Eikhenbaum does in passing is remind us that we should be on our guard against thinking that sound is onomatopoetic--that is, that it reflects the meaning of what it's talking about.

艾肯鲍姆在书中提到,他特别提醒我们,不应该赞同拟声现象，拟声就是认为声音能反应它所表达的意思。

耶鲁公开课 - 文学理论导论课程节选

I'm going to go guard the Queen and stand outside the palace in my tunic.

我要去守卫女王，穿着制服站在宫殿外。

英国的军人 - SpeakingMax英语口语达人

The constitutional role of the guard has only one military function, that's to repel invasion.

NPR: Critics Question Using Nat'l Guard Troops at the Border

On CNN, they were carrying footage of the Changing of the Guard at Buckingham Palace.

FORBES: Remembering 9/11: From Longwood Medical Area

The Guard is helping keep people out of Cameron until it's safe to return.

NPR: Cameron Parish Hit Hard by Hurricane Rita