He was kidnapped and briefly detained by a terrorist group.是什么意思？

He was kidnapped and briefly detained by a terrorist group.

他被一个恐怖组织绑架并短暂拘禁。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

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。

kidnapped

[电影]历劫孤星；

例句
The torment of having her baby kidnapped is written all over her face.
因孩子被绑架所受的万分折磨全写在她脸上。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

briefly

adv. 短暂地，简单地，简略地，略略；

例句
We shall first look briefly at the historical antecedents of this theory.
我们首先应大致看一下该理论在历史上的前身。

detained

v. 留住( detain的过去式和过去分词 )，耽搁，拘留，扣留；

例句
He was arrested and detained for questioning.
他遭到逮捕、拘留以接受问讯。

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

terrorist

n. 恐怖主义者，恐怖分子，恐怖分子；adj. 恐怖主义的；

例句
One American was killed and three were wounded in terrorist attacks.
在几起恐怖袭击中，一名美国人遇难，三人受伤。

group

n. 组，团体，群，批，（雕塑等的）群像，（英美的）空军大队；vt.& vi. 使成群，集合；vt. 分类，归类；

例句
...a group of youths riding their motorbikes four abreast.
驾着摩托车，四个一排齐头并进的一群年轻人