impetuous + noun
impetuous 作定语时，多修饰决定、行为等名词，表示未经深思熟虑。
It was an impetuous decision that he soon regretted.
那是一个他很快就后悔的冲动决定。
冲动的；鲁莽的
猛烈的；狂暴的；做出武断决定,尤指以冲动而强制的方式。；鲁莽的,冲动的；以突然的暴力或激烈为特征的。；猛烈的,狂暴的
Acting or deciding quickly and without careful thought; impulsive and rash.
做出武断决定,尤指以冲动而强制的方式。
Making arbitrary decisions, especially in an impulsive and forceful manner.
鲁莽的,冲动的
characterized by undue haste and lack of thought or deliberation; ; ; ; ; (`brainish' is archaic)
以突然的暴力或激烈为特征的。
Characterized by sudden violence or vehemence.
猛烈的,狂暴的
marked by violent force
His impetuous decision to quit his job without a backup plan caused him a lot of stress.
他冲动地决定在没有后备计划的情况下辞职，这给他带来了很多压力。
用法提示：形容词，修饰'decision'，表示未经深思熟虑的冲动决定。
AI contextual example
She regretted her impetuous words as soon as she saw the hurt look on his face.
她一看到他脸上受伤的表情就后悔自己轻率的话语了。
用法提示：形容词，修饰'words'，指未加思考脱口而出的伤人的话。
AI contextual example
The impetuous young man rushed into marriage after only knowing her for a month.
那个冲动的年轻人在认识她仅一个月后就匆忙结婚了。
用法提示：形容词，修饰'young man'，描述其性格急躁、行动轻率。
AI contextual example
impetuous 作定语时，多修饰决定、行为等名词，表示未经深思熟虑。
It was an impetuous decision that he soon regretted.
那是一个他很快就后悔的冲动决定。
作表语时，主语通常是人，强调性格或行为冲动。
Don't be so impetuous; think before you act.
别这么鲁莽，行动前先想想。
该结构表示“过于冲动/鲁莽而无法……”，暗含否定结果。
He was too impetuous to wait for the results.
他太性急，等不及结果出来。
与impetuous最接近的常用词,强调行为受瞬时情绪驱动; 语气中性,未必含贬义。
强调行事前完全不想后果,隐含“不成熟、易出错”的批评; 比impetuous的语气更重。
强调因时间仓促而考虑不周,多修饰决定、判断; 不指人的性情,且程度比impetuous轻。
强调急不可待、不假思索地一冲而出,常作定语(如headlong rush); 语气较文学,口语中少用。
grammar · medium
易错句子He acted with impetuous.
正确表达He acted with impetuosity.
介词 with 后需接名词作宾语，而 impetuous 是形容词，不能直接跟在 with 后；应改用名词 impetuosity，表示“冲动、鲁莽”。
grammar · medium
易错句子The new policy gave impetuous to economic growth.
正确表达The new policy gave impetus to economic growth.
give impetus to 是固定搭配，意为“推动、促进”；impetuous 是形容词，表示“冲动的、猛烈的”，不能作 give 的宾语，应改用名词 impetus。
此处针对“鲁莽的、冲动的”义项；反义词侧重“谨慎、深思熟虑”。若指“猛烈的、狂暴的”，反义词应为“温和的、平静的”等。
impetuous 强调鲁莽中带有强硬、猛烈或强制；impulsive 只表示不加思考就行动，未必有猛烈或暴力的含义。
impetuous 带有冲动、猛烈乃至强迫性；hasty 仅指因过快而缺乏细心，不含强烈情绪或暴力。
impetuous 兼有冲动、急躁和猛烈的意思；vehement 只指感情或力度上的激烈，不涉及行动上的草率或鲁莽。
轻率的决定
She regretted her impetuous decision to move abroad.
她后悔自己移居国外的轻率决定。
鲁莽的行为
His impetuous behavior at the meeting annoyed his colleagues.
他在会议上的鲁莽行为惹恼了同事。
冲动的年轻人
The impetuous youth jumped into the river without checking the depth.
那个冲动的年轻人没有查看水深就跳进了河里。
猛烈的进攻
The troops made an impetuous attack before dawn.
部队在黎明前发动了猛烈的进攻。
鲁莽的急冲
In an impetuous rush, he forgot his phone on the table.
他冒冒失失地冲了出去，把手机忘在了桌上。
im-（进入/朝向）+ pet（寻求；冲向）+ -ous（充满…的）；同根词：impetus, petition, compete；同前缀词：import, impose；同后缀词：curious, furious
impetuous 常指由强烈情感驱动的冲动行为。
impetuous 形容人容易凭一时冲动行事。
impetuous 行为往往因仓促而产生。
impetuous 有时与愤怒相关，指突然的激烈反应。
impetuous 的人常因一时兴起而行动。
Dictionary facts from ECDICT, WIKTIONARY.