By four o’clock,everything was packed.是什么意思？

By four o’clock,everything was packed.

到4点钟,一切都收拾好了。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

four

num. 四，四个，第四；n. 四个人（或事物）的一组，得四分的一击，四人赛艇；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。

everything

pron. 每件事物，最重要的东西，（有关的）一切，万事；

例句
I want to be honest, honest above everything else.
我想要做到诚实，一切以诚实为上。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

packed

adj. 充满…的，塞满了…的；v. 包装(pack的过去式和过去分词)；

例句
All through yesterday crowds have been arriving and by midnight thousands of people packed the square.
昨天陆续有大批人到来，午夜时有几千人聚集在广场上。