Word · Frequency #5362
impulse
推动;激起
核心释义
To impel; to incite.
- 1.
推动;激发。
To impel; to incite.
推动;激发。;推动
用法In use
A strong argument can impulse an audience to reconsider its views.
用法提示:这里"impulse"作动词原形,表示"推动、促使",与情态动词can连用。
Her inspiring story impulsed many young people to start volunteering.
用法提示:"impulsed"是impulse的过去式,意为"激励、推动",后接宾语和带to的不定式。
Frequent praise impulses a child to keep trying.
用法提示:"impulses"是impulse的第三人称单数形式,体现"激发"的含义,主语为抽象事物。
impulse sb/sth
impulse 作动词时为及物动词,比较正式、少见,多用于书面语,后直接接被推动的对象。
Her passionate speech impulsed the whole crowd.
她充满激情的演讲推动了整个人群。
be impulsed by sth
被动结构常表示某人或某事受到某种力量的推动或激发。
相关词与表达Connections
习语与比喻表达Idioms & figurative uses
- on impulse
- 一时冲动;凭一时兴起She bought the expensive coat on impulse.她一时冲动买了那件昂贵的外套。
- impulse buy
- 冲动购买;心血来潮买下的东西That new gadget was an impulse buy; I didn't really need it.那个新玩意儿是冲动购买,我其实并不需要它。
- act on an impulse
- 凭冲动行事He acted on an impulse and quit his job.他一时冲动辞了职。
近义词Synonyms
- impel
- 驱策;迫使 · 多指内在或道德力量推动人行动,语气较重,常与不定式连用。
学习提示Learner notes
记忆技巧Memory Tip
记忆联想:impulse 拆成 im + pulse(脉搏),像脉搏一股向前的冲劲推动你行动,即“推动、激发”。
语境与语域Context & Register
语域:formal 常见场景:formal writing、literary texts 作为动词,impulse 表示“推动;激发”,属于正式或书面用语,多用于文学作品或正式论述中;日常会话中比较少用。
发音与拼写Pronunciation & Spelling
No common English word rhymes exactly with /ˈɪmpəls/ because the stress falls on the first syllable and the final syllable is unstressed. The spelling lookalikes pulse (/pʌls/), repulse (/rɪˈpʌls/), and convulse (/kənˈvʌls/) all have the stressed vowel /ʌ/ and are pronounced differently from impulse.
用法优先级Usage priority
Collins 词频等级为 2,建议结合例句记忆,而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.