1
impel sb to do sth
impel 是及物动词，宾语后接动词不定式。
The scandal impelled her to resign.
这桩丑闻促使她辞职。
驱使；激励；迫使
impels — third person singular of impel
先理解核心含义，再看它在真实句子里的用法。
驱使；激励；迫使
urge or force (a person) to an action; constrain or motivate
The scandal impelled her to resign.
这桩丑闻促使她辞职。
既可指内在激励，也可指外部压力迫使。
To urge a person; to press on; to incite to action or motion via intrinsic motivation.
To drive forward; to propel an object, to provide an impetus for motion or action.
impel
Base
原形
impels
3rd person
第三人称单数
impelling
-ing
现在分词
impelled
Past
过去式
impelled
Past participle
过去分词
Hunger impels many people to work hard.
饥饿驱使许多人努力工作。
The situation impelled her to make a quick decision.
当时的情况迫使她迅速做出决定。
His sense of duty has impelled him to volunteer.
他的责任感促使他自愿参加。
impel 表示强烈的内在或外在力量推动或迫使某人做某事，常用于 impel sb to do sth 结构。
Hunger impelled the hikers to search for food.
饥饿驱使徒步旅行者寻找食物。
Her sense of duty impels her to volunteer at the clinic.
她的责任感促使她在诊所作志愿者。
The strong wind impelled the boat toward the shore.
强风迫使船驶向岸边。
impel 是及物动词，宾语后接动词不定式。
The scandal impelled her to resign.
这桩丑闻促使她辞职。
这里的 to 是介词，后接名词；若后接动词则用 impel sb to do sth。
The threat impelled them to action.
威胁迫使他们采取行动。
被动语态中，by 引出造成这种冲动或压力的原因。
They were impelled by fear.
他们是受恐惧驱使的。
Not this
The situation impelled me leaving early.
Use this
The situation impelled me to leave early.
“impel” 是及物动词，常用搭配是 impel somebody to do something（驱使/迫使某人做某事），宾语后须接带 to 的不定式，不能接现在分词作宾语补足语。
Not this
He felt a strong impel to apologize.
Use this
He felt a strong impulse to apologize.
“impel” 只能用作动词；表示“冲动/欲望”的名词是 “impulse”。不能因为中文里的“冲动”或词形相近就把 “impel” 当名词使用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
促使某人做某事
The urgency of the situation impelled her to act immediately.
形势紧迫促使她立即采取行动。
受必要性驱使
He was impelled by necessity to accept the job.
他迫于需要接受了这份工作。
推动行动
Public pressure impelled action on the new policy.
公众压力推动了对新政策采取行动。
促使变革
The crisis impelled change in the company's management.
这场危机促使公司管理层发生变革。
推动进步
New ideas impel progress in science.
新思想推动科学进步。
Use impels naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一只大手从背后推你，让你不得不向前走——impel 就是‘迫使、驱使’。
语域：formal 常见场景：正式文章、法律或政策文本、学术讨论 impel 比较正式，多用于书面语或正式场合，表示某种力量或原因驱使、促使某人做某事；日常口语中更常用 make、force 或 urge。
All the -pel words above rhyme with impel (/ɪmˈpɛl/): compel, repel, expel, propel, dispel. Rebel (verb) also rhymes but is spelled -bel. Beware lookalikes that do not rhyme, such as imperial /ɪmˈpɪəriəl/ and impeach /ɪmˈpiːtʃ/.
Dictionary facts from ECDICT, WIKTIONARY.