Security cameras have been installed to guard against poachers.

已经安装了安防摄像机来防范偷猎者。

《柯林斯英汉双解大词典》

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

我要穿着我的束腰外衣站在宫殿外面守卫女王。

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She had been faithful to her promise to guard this secret.

她一直信守诺言保守着这个秘密。

《柯林斯英汉双解大词典》

In recent years the international community has deployed navy ships to guard the area in an effort to fight piracy.

VOA: special.2009.04.25

The Essex stood half over the other prophet as if it were pleased to guard what it had finally brought down. The man didn't look so much like Haze lying on the ground on his face without his hat or suit on. A lot of blood was coming out of him and forming a puddle around his head.

埃塞克斯看着这个先知，好像很高兴地守卫着,自己撞倒的这个人，这个男人看起来与海斯并不相像,没有戴着帽子或穿着西装趴在地上，一大堆血,从他的体内涌出，在头部附近形成了一个水坑状的东西。

耶鲁公开课 - 1945年后的美国小说课程节选

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

But chairman Keith Vaz said an official register was needed to guard against "maverick decision making".

BBC: Ballots being counted in Avon and Somerset

Advocates said it would be important to guard against too much information being required or shared.

CNN: Americans mull national ID cards

But we were able to guard the paint and the 3-point line, and that's the goal.

WSJ: Pacers protect home court, beat Knicks 82-71