sign

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
sign 作为名词指符号、招牌、征兆或手势,作为动词表示签名或打手势表达。

用法要点

句型搭配

sign 作为动词时,常用句型为 sign something(签署某物)或 sign for something(签收某物)。作为名词时,常与介词搭配,如 sign of(...的征兆)。

• sign a contract
• sign for a package
• sign of trouble

介词用法

sign 作为名词时,常与介词 of 连用表示征兆,如 sign of life(生命迹象)。作为动词时,与 up 连用表示报名,如 sign up for a course。

• sign of improvement
• sign up for a class
• sign on the dotted line

语域说明

sign 在正式和非正式语境中都常用。在商务场景中,多指签署文件;在日常对话中,可指手势或招牌。

• sign the agreement
• give a sign
• road sign

基础例句

Please sign your name at the bottom of the form.

请在表格底部签上你的名字。

The dark clouds are a sign of rain.

乌云是下雨的征兆。

He gave me a sign to be quiet.

他给我打了个手势,示意我安静。

Look for the sign that says 'Exit'.

找找写着“出口”的招牌。

高级例句

The company will sign the merger agreement next week.

公司将于下周签署合并协议。

A decrease in unemployment is a positive sign for the economy.

失业率下降是经济向好的积极信号。

The patient showed no sign of improvement after the treatment.

治疗后,患者没有显示出任何好转的迹象。

Participants must sign the consent form before the study begins.

研究开始前,参与者必须签署同意书。

高频搭配

verb

sign a contractsign a documentsign a petitionsign a checksign a form

adjective

clear signpositive signwarning signobvious signearly sign

noun

road signshop signtraffic signsign languagesign board

adverb

officially signquickly signwillingly signreluctantly sign

preposition

sign ofsign forsign upsign insign on

phrase

sign and sealsign off onsign awaysign oversign out

常见错误

❌ 错误:I signed the paper with a pen.
✓ 正确:I signed the paper.

错误:添加了多余的“with a pen”,因为签名通常默认用笔,无需特别说明。正确:直接说“signed the paper”即可。

❌ 错误:This is a sign for good luck.
✓ 正确:This is a sign of good luck.

错误:误用了介词“for”,表示“...的征兆”时应用“of”。正确:用“sign of good luck”表示好运的征兆。

近义词辨析

signal

signal 更强调作为指示或警告的明确信号,常用于技术或正式场合;sign 更通用,可指任何迹象或符号。

The traffic light turned green as a signal to go. (交通灯变绿是通行的信号。) vs. His smile was a sign of happiness. (他的微笑是快乐的迹象。)

symbol

symbol 指代表抽象概念或思想的象征,如和平鸽象征和平;sign 更具体,指实际存在的标记或征兆。

The dove is a symbol of peace. (鸽子是和平的象征。) vs. The sign on the door says 'Push'. (门上的标志写着“推”。)