rash

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
rash 作为形容词指轻率或鲁莽的行为,作为名词指皮肤上出现的皮疹。

用法要点

句型搭配

作为形容词时,常用于描述决策或行动,如 'It was a rash decision.';作为名词时,常与动词如 'develop' 或 'have' 搭配。

• a rash decision
• develop a rash
• act rashly

介词用法

作为名词时,常与介词 'on' 连用表示皮疹的位置,如 'a rash on the skin';作为形容词时,可与 'in' 搭配表示在某种情况下鲁莽。

• rash on the arm
• rash in judgment
• rash of complaints

语域说明

形容词 'rash' 多用于正式或书面语,指缺乏考虑的行为;名词 'rash' 在医学或日常语境中通用,指皮肤问题。

• rash promise
• skin rash
• rash generalization

基础例句

He made a rash decision to quit his job without another offer.

他轻率地决定在没有其他工作机会的情况下辞职。

My baby developed a rash after eating strawberries.

我的宝宝吃了草莓后起了皮疹。

Don't act rashly; think about the consequences first.

别鲁莽行事,先考虑一下后果。

She has a rash on her arm from the new soap.

她因为用了新肥皂,手臂上起了皮疹。

高级例句

The company's rash investment led to significant financial losses.

公司轻率的投资导致了重大的财务损失。

In medical reports, a rash can indicate an allergic reaction to medication.

在医学报告中,皮疹可能表示对药物的过敏反应。

The rash of data breaches has raised concerns about cybersecurity policies.

一连串的数据泄露事件引发了对网络安全政策的担忧。

Avoid making rash generalizations in academic writing; support claims with evidence.

在学术写作中避免轻率地概括,要用证据支持论点。

高频搭配

verb

make a rash decisionact rashlydevelop a rashcause a rashtreat a rash

adjective

rash judgmentrash actionrash promiserash behaviorrash move

noun

skin rashheat rashallergic rashrash of incidentsrash of protests

adverb

rashly decidedrashly spokenrashly acted

preposition

rash on the facerash in thinkingrash of errors

phrase

in a rash momenta rash of somethingbreak out in a rash

常见错误

❌ 错误:He is very rash to make that choice.
✓ 正确:He made a rash choice.

错误:误用 'rash' 作为副词修饰动词。正确:'rash' 是形容词,应修饰名词如 'choice',或使用副词 'rashly' 修饰动词。

❌ 错误:I have a rash on my skin because of the hot weather.
✓ 正确:I have a heat rash from the hot weather.

错误:表达不具体,'rash on my skin' 冗余。正确:使用 'heat rash' 更准确,指因炎热引起的皮疹,避免重复。

近义词辨析

hasty

'hasty' 强调速度快而缺乏准备,常指匆忙但不一定愚蠢;'rash' 更强调缺乏考虑和可能带来负面后果的鲁莽。

He made a hasty exit (匆忙离开) vs. He made a rash promise (轻率的承诺,可能无法兑现)。

impulsive

'impulsive' 指基于一时冲动或情感的行为,不一定负面;'rash' 则更负面,暗示行为轻率且可能有害。

She bought the dress on an impulse (冲动购买,中性) vs. His rash driving caused an accident (鲁莽驾驶,导致事故)。