1
unseat + sb
unseat 用于政治语境时，表示使某人失去职位或席位。
The scandal helped unseat the long-serving mayor.
这起丑闻帮助罢免了任职多年的市长。
罢免；使下台；使去职
unseating — present participle of unseat
先理解核心含义，再看它在真实句子里的用法。
罢免；使下台；使去职
remove from political office
The scandal helped unseat the long-serving mayor.
这起丑闻帮助罢免了任职多年的市长。
使从座位上摔下或离开,尤指从马背上。
To dislodge or remove (someone) from a seat, especially on horseback.
使免职；罢免(尤指政治职位)；使下台。
To remove (someone) from an office or position, especially a political one; to dethrone.
使失去原有地位或被取代；使移位；推翻。
To cause (something) to be removed or replaced in its role; to displace, to overturn.
使慌乱；使震惊；使不安。
To upset the composure of (someone); to astound, to shock, to unsettle.
unseat
Base
原形
unseats
3rd person
第三人称单数
unseating
-ing
现在分词
unseated
Past
过去式
unseated
Past participle
过去分词
A strong challenge often unseats the incumbent in this district.
在这个选区，强有力的挑战者常常把现任者赶下台。
The horse suddenly unseated its rider during the steeplechase.
在越野障碍赛中，那匹马突然把骑手摔了下来。
The government has been unseated by a vote of no confidence.
政府因不信任投票而下台。
unseat 既可指“使失去席位、罢免”，也可指“将人从马背等座位上摔下”。
A strong local candidate could unseat the longtime representative in the upcoming election.
一位强有力的本地候选人可能会在即将到来的选举中让那位长期任职的议员下台。
The party chairman was unseated by a motion of no confidence.
这位党主席因不信任动议而被赶下了台。
Surveys suggest that voters will unseat the current governor in November.
民调显示，选民将在十一月的选举中让现任州长下台。
unseat 用于政治语境时，表示使某人失去职位或席位。
The scandal helped unseat the long-serving mayor.
这起丑闻帮助罢免了任职多年的市长。
被动形式 be unseated 常表示在选举或竞争中落败。
The incumbent was unseated by a young challenger.
现任者被一位年轻挑战者击败。
unseat 也可指使某人从马背或座位上跌下，常与 from 连用。
The sudden stop unseated the rider from his horse.
突然停下使骑手从马上摔了下来。
Not this
The chairman unseated after the corruption scandal.
Use this
The chairman was unseated after the corruption scandal.
unseat 是及物动词，表示“罢免、使失去席位”时必须接宾语或用被动语态；不能像不及物动词“下台”那样直接说 someone unseated，要用 was unseated 表示“被罢免”。
Not this
He unseated from his horse and led it to the stable.
Use this
He dismounted from his horse and led it to the stable.
unseat 的“使从马背上摔下”义是及物动词，且含有被动或外力意味，不能表示主动的“下马”；有意下马应该用不及物动词 dismount，所以改为 dismounted。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
击败在任者；使现任落选
The young candidate managed to unseat the incumbent in a stunning upset.
这位年轻候选人惊人地击败了在任者。
使政府下台
A vote of no confidence could unseat the government.
不信任投票可能使政府下台。
把骑手摔下马
The horse bucked violently and unseated its rider.
马猛烈弓背，把骑手摔了下来。
击败冠军；使冠军失去宝座
She trained for years hoping to unseat the defending champion.
她训练多年，希望击败卫冕冠军。
Use unseating naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：un（去掉）+seat（座位）→ 把当权者从位子上拉下来，即“罢免”；把骑手从马鞍上掀下也是unseat。
语域：formal 常见场景：政治选举报道、马术或骑马场景 unseat 比较常见于正式语体，多用于政治新闻中指击败或罢免在任者，也可用于书面描写中表示使从马背等座位上摔下；日常口语中较少使用。
本词有两个核心义：政治上的罢免/使失去席位，以及使从马等坐骑上摔下。
Dictionary facts from ECDICT, WIKTIONARY.