erratic

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
形容行为、表现或事物不稳定、难以预测,或指行为古怪、漂泊不定的人。

用法要点

形容词用法

主要用作形容词,描述行为、表现、模式等不稳定、不规律或难以预测,常与名词搭配使用。

• erratic behavior
• erratic performance
• erratic weather

名词用法

较少用作名词,指行为古怪或漂泊不定的人,通常带有贬义或中性色彩,需根据上下文判断。

• He is an erratic.
• The town's erratic was known to all.

介词搭配

常与介词'in'连用,表示在某个方面不稳定;也可与'of'搭配,强调不稳定的性质。

• erratic in his decisions
• erratic of nature

语域说明

适用于正式和非正式场合,在学术、商务、日常对话中均常见,但名词用法较口语化。

• erratic stock market (商务)
• erratic driving (日常)

基础例句

His driving has become erratic lately, which worries his family.

他最近的驾驶变得很不稳定,这让他的家人很担心。

The weather in spring is often erratic, with sudden changes from sunny to rainy.

春天的天气常常不稳定,会突然从晴天变成雨天。

She's known as an erratic because she never stays in one job for long.

她被称为漂泊不定的人,因为她从不在一个工作上待太久。

My phone's signal is erratic in this area, so calls might drop.

在这个区域,我的手机信号不稳定,所以通话可能会中断。

高级例句

The company's stock price showed erratic fluctuations due to market uncertainty.

由于市场不确定性,该公司的股价出现了不稳定的波动。

In the study, participants with erratic sleep patterns reported higher stress levels.

在这项研究中,睡眠模式不规律的参与者报告了更高的压力水平。

The project timeline became erratic after key team members left unexpectedly.

在关键团队成员意外离职后,项目时间表变得不稳定。

Erratic economic policies can undermine investor confidence in emerging markets.

不稳定的经济政策可能会削弱投资者对新兴市场的信心。

高频搭配

verb

become erraticseem erraticappear erraticremain erraticmake erratic

adjective

highly erraticsomewhat erraticincreasingly erraticnotoriously erraticwildly erratic

noun

erratic behaviorerratic performanceerratic movementerratic patternerratic schedule

adverb

erratically

preposition

erratic inerratic oferratic with

phrase

erratic at besterratic to say the leasterratic in nature

常见错误

❌ 错误:He is very erratic person.
✓ 正确:He is a very erratic person.

错误在于缺少冠词'a'。'erratic'作为形容词修饰名词'person'时,需要冠词'a'来构成完整的名词短语。

❌ 错误:Her mood is erraticly.
✓ 正确:Her mood is erratic.

错误在于误用副词'erratically'。这里描述'mood'(名词)的状态,应使用形容词'erratic',而不是副词。

近义词辨析

unpredictable

'unpredictable'强调无法预测,而'erratic'更侧重于不稳定或不规律的模式;'erratic'可能隐含负面评价,而'unpredictable'更中性。

His behavior is erratic (implies inconsistency) vs. The outcome is unpredictable (simply unknown).

inconsistent

'inconsistent'指缺乏一致性或连贯性,常用于比较不同时间点;'erratic'更强调突然或随机的变化,可能更动态。

Her work quality is inconsistent (varies over time) vs. Her attention span is erratic (changes abruptly).