静悄悄的英文：
extremely quiet

参考例句：

The austerely lighted garage was quiet
灯光黯淡的车库静悄悄的。

There was silence, all eyes riveted on him.
静悄悄的，所有眼睛都盯着他。

The shades of evening had by this time come upon the quiet city.
这时暮色已经笼罩着这个静悄悄的城市。

The moonlit streets were quiet. There had been no sirens so far tonight
皓月当空，街上静悄悄的，到目前为止还没拉过警报。

It was a silence and a sheer whiteness exhilarating to madness.
皑皑白雪，一望无际，四处静悄悄的一片，叫人欣喜若狂。

The stew cooked quietly and smelled quiet. It was quiet here in the kitchen.
炖烩菜是静静地在进行，散发的味道也是静静的，厨房里也是静悄悄的。

The little station basked sleepily in the spring sunshine
春晖照着大地，小车站里静悄悄的，好象还未从睡梦中醒来。

So quiet the grove was, so still the air, that even the aspen leaves hung limp
小林子静悄悄的，一点风也没有，连白杨的叶子也无精打采地垂下头来

extremely是什么意思：
adv. 极端地，非常地，很

in an extremity
智尽力竭|陷入绝境

relative extreme
相对极值

It is extremely corrosive.
它是极强的腐蚀剂。

It was an extremely fine day .
那是一个非常晴朗的日子。

An extremity of a solid is a surface.
立体的边界之一是一个面。

quiet是什么意思：
adj. 安静的；秘密的；素净的
n. 寂静；安稳
v. 使平静；抚慰；平静下来

It was quiet in the streets, awesomely quiet.
街上安静得让人有些害怕。

quiet diplomacy
静默外交; 悄悄的外交; 秘密外交

Quietness is best
宁静最好

The Ship was dark and quiet.
飞船里寂静漆黑。

He was patient, and quiet.
他变得忍耐和沉默了。