He imposed himself as their leader.是什么意思？

He imposed himself as their leader.

他自封为他们的领袖。

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。

imposed

adj. 自己担负的；v. 强迫( impose的过去式和过去分词 )，勉强（某人做某事），推行，[印刷]把…装版；

例句
...a media blackout imposed by the Imperial Palace...
皇宫施行的新闻封锁

himself

pron. （反身代词）他自己，（用以加强语气）他亲自，他本人；

例句
He pleaded guilty before a court martial to absenting himself without leave.
在军事法庭上他对自己擅离职守表示服罪。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

leader

n. 领袖，领导者，负责人，指挥者，领唱者；

例句
The Jordanian leader seemed amenable to attending a conference...
约旦领导人似乎愿意参加会议。