Word · Frequency #5362
impulse
冲动；突发欲望；心血来潮
A strong urge or desire to act, especially a sudden one.
指心理上的冲动，而非物理推力。
- 1.
A thrust; a push; a sudden force that impels.
推力；推动；突然的驱动力。
- 2.
an instinctive motive
本能动机
- 3.
A wish or urge, particularly a sudden one prompting action.
愿望或冲动,尤指突然促使行动的冲动。
- 4.
a sudden desire
突发欲望
- 5.
The integral of force over time.
力对时间的积分。
- 6.
the electrical discharge that travels along a nerve fiber
神经冲动
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
In use
On a sudden impulse, she bought a plane ticket to see her old friend.
He resisted the impulse to check his phone during the meeting.
Learning to control your impulses is part of growing up.
profound religious impulses
he bought it on an impulse
they demonstrated the transmission of impulses from the cortex to the hypothalamus
on impulse
on impulse 表示‘凭一时冲动’，常放在动词后，强调未经仔细思考。
She bought the dress on impulse.
她一时冲动买了那条裙子。
impulse to do sth
Connections
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
- Nerve cells transmit electrical impulses.神经细胞传递电脉冲。
- initial impulse
- 最初冲动
Learner notes
Memory Tip
想象“im”（进入）+“pulse”（脉搏），内心的脉搏突然加速，就是“冲动”。
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。
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.
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。
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.