I surprised everyone by wearing a terrible mask.是什么意思？

I surprised everyone by wearing a terrible mask.

我带了一副可怕的面具, 使大家受惊了。

surprised

adj. 惊奇的，惊讶的，觉得奇怪的，感觉意外的；

例句
She had been surprised at how amiable and polite he had seemed.
看到他如此和蔼可亲、彬彬有礼，她非常惊讶。

everyone

pron. 每人，人人；

例句
I had asked everyone to submit questions in advance of the meeting.
我已请每个人在会议之前提交问题。

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

wearing

adj. 使人疲乏的，令人厌烦的；v. 穿着( wear的现在分词 )，磨成，使疲乏，同意；

例句
One of the boys had to be rescued by firemen wearing breathing apparatus.
其中一个男孩须由带着呼吸装置的消防员才能救出。

terrible

adj. 可怕的，危害极大的，劣质的，极度的；

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

mask

n. 面具，假面具，用作掩饰的事物，护肤膜；vt. 掩饰，戴面具，用面具遮住，掩盖，掩饰；vi. 戴面具，隐瞒，掩饰；

例句
Diane lit a cigarette, trying to mask her agitation.
黛安娜点燃一根香烟，试图掩饰她的焦躁不安。