decline

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
decline 作为名词指衰退或下降,作为动词可表示婉拒或(数量、质量)下降。

用法要点

句型搭配

作为动词时,decline 可接名词、不定式或 that 从句表示拒绝;作为不及物动词时,常与介词 in 连用表示下降领域。

• decline an offer
• decline to comment
• decline in sales

介词用法

表示“在...方面下降”用 decline in;表示“从...下降”用 decline from...to...;表示“拒绝...”用 decline + 直接宾语。

• decline in quality
• decline from 50% to 30%
• decline the invitation

语域说明

decline 在正式场合中比 refuse 更礼貌,常用于商务和学术语境;作为“下降”义时多用于描述趋势和数据。

• politely decline
• economic decline
• population decline

基础例句

She had to decline the party invitation because of prior commitments.

由于已有安排,她不得不婉拒了派对邀请。

The quality of the product has declined over the past year.

过去一年里,这款产品的质量有所下降。

He politely declined to answer the personal question.

他礼貌地拒绝回答这个私人问题。

Interest in the sport is on the decline among young people.

年轻人对这项运动的兴趣正在下降。

高级例句

The company's market share declined by 15% following the new competitor's entry.

新竞争对手进入后,该公司的市场份额下降了15%。

Economic indicators suggest a gradual decline in manufacturing output this quarter.

经济指标显示本季度制造业产出将逐步下降。

The study documents a significant decline in biodiversity over the past decade.

这项研究记录了过去十年生物多样性的显著下降。

Despite the decline in profits, the board decided to maintain current investment levels.

尽管利润下降,董事会仍决定维持当前投资水平。

高频搭配

verb

gradually declinesharply declinesteadily declinerapidly declinecontinue to decline

adjective

steep declinegradual declinesignificant declinesharp declineeconomic decline

noun

population declinesales declinequality declinehealth declinemoral decline

adverb

decline sharplydecline graduallydecline steadilydecline rapidly

preposition

decline indecline fromdecline todecline by

phrase

on the declinefall into declinein declinedecline and fall

常见错误

❌ 错误:I declined him to help me.
✓ 正确:I declined his offer to help me.

decline 作为“拒绝”义时,后面应直接接名词(如 offer, invitation),而不是接“人+不定式”结构。

❌ 错误:The temperature declined to 10 degrees.
✓ 正确:The temperature dropped to 10 degrees.

decline 通常用于描述抽象概念(如质量、数量)或趋势的下降,不用于具体温度变化;应使用 drop 或 fall。

近义词辨析

refuse

refuse 语气更直接强硬,常表示明确拒绝;decline 更正式礼貌,带有委婉拒绝的意味。

She refused to sign the document. (直接拒绝) / She declined to sign the document. (委婉拒绝)

decrease

decrease 强调数量或程度的减少,多用于具体数据;decline 含义更广,可指质量、健康、趋势等的下降,常带有负面含义。

The number of errors decreased. (错误数量减少) / The company's reputation declined. (公司声誉下降)