Word · Frequency #5362
impulse
冲动；突发欲望；心血来潮
核心释义
指心理上的冲动，而非物理推力。
A strong urge or desire to act, especially a sudden one.
- 1.
推力；推动；突然的驱动力。
A thrust; a push; a sudden force that impels.
- 2.
本能动机
an instinctive motive
- 3.
愿望或冲动,尤指突然促使行动的冲动。
A wish or urge, particularly a sudden one prompting action.
- 4.
突发欲望
a sudden desire
- 5.
力对时间的积分。
The integral of force over time.
- 6.
神经冲动
the electrical discharge that travels along a nerve fiber
推力；冲击；推动力；神经冲动；冲量；推力；推动；突然的驱动力。；本能动机
用法In use
On a sudden impulse, she bought a plane ticket to see her old friend.
用法提示：impulse 作名词，表示“冲动”，on a sudden impulse 指一时兴起。
He resisted the impulse to check his phone during the meeting.
用法提示：impulse 作名词，表示“冲动/念头”，the impulse to do sth. 意为“做某事的冲动”。
Learning to control your impulses is part of growing up.
用法提示：复数 impulses 表示多次“冲动/欲望”，这里指行为倾向。
profound religious impulses
he bought it on an impulse
they demonstrated the transmission of impulses from the cortex to the hypothalamus
相关词与表达Connections
搭配Collocations
- on impulse
- 一时冲动
- She bought the dress on impulse.她一时冲动买了那条裙子。
- impulse buy
- 冲动购物
- Impulse buys often lead to regret.冲动购物常常导致后悔。
- impulse control
- 冲动控制
- Children need to learn impulse control.孩子需要学会冲动控制。
- creative impulse
- 创作冲动
- The artist followed her creative impulse.艺术家追随她的创作冲动。
- electrical impulse
- 电脉冲
学习提示Learner notes
记忆技巧Memory Tip
想象“im”（进入）+“pulse”（脉搏），内心的脉搏突然加速，就是“冲动”。
语境与语域Context & Register
该词作为名词时，常表示突然的欲望或冲动，多用于心理或日常语境；在神经科学中特指神经冲动。通常为中性，但根据上下文可能带有轻微的感情色彩。
发音与拼写Pronunciation & Spelling
Words like pulse, repulse, and convulse rhyme with impulse because their stressed vowel and following consonants match /ʌls/. Beware of lookalikes like advice /ədˈvaɪs/ or false /fɔːls/, which have different vowels.
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.