They threatened to expel him from his adoptive country...是什么意思？

They threatened to expel him from his adoptive country...

他们威胁将他驱逐出他的移居国。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

threatened

adj. 受到威胁的；v. 威胁(threaten的过去分词)；

例句
Union officials made no apologies for the threatened chaos.
工会干部们对于迫在眉睫的混乱局面不予道歉。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

expel

vt. 驱逐，赶走，把…除名，排出（气体等）；

例句
They were told at first that they should simply expel the refugees.
一开始有人告诉他们应该直接将那些难民驱逐出境。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

adoptive

adj. 收养的，有收养关系的，被采纳的，装出来的；

例句
They threatened to expel him from his adoptive country.
他们威胁将他驱逐出他的移居国。

country

n. 国家，国民，乡下，地区；

例句
The country was on the brink of an abyss.
国家岌岌可危。