guarded汉语翻译：
a. 被防护着的, 被监视着的, 警戒着的词型变化：
名词:guardedness副词:guardedly英语解释：
动词 guard:

to keep watch over同义词：guard

watch over or shield from danger or harm; protect同义词：guard, ward

protect against a challenge or attack同义词：defend, guard, hold

take precautions in order to avoid some unwanted consequence同义词：guard

形容词 guarded:

prudent同义词：restrained

例句：

The building is guarded by a fence and ten guard dogs.建筑物由篱笆和10条守卫狗保护着。

All the approaches to the palace were guarded by troops.通往宫殿的所有道路都有部队把守。

The prisoners closely guarded escaped from the prison last night.被严密监视的这些囚犯昨夜越狱了。

The dog guarded the house against strangers.狗守卫着房屋，不让陌生人进去。

详细解释：
guard.ed
adj.（形容词）
Protected; defended.
被保护的；被防卫的
Watched over; supervised.
监视的；监督的
Cautious; restrained:
谨慎的；受限制的：
例句：
We view these changes with guarded optimism.
我们以审慎的乐观看待这些变化
【引伸】
guard.edly
adv.（副词）
guard.edness
n.（名词）