backdate

美 { "us": "", "uk": "" }
英 { "us": "", "uk": "" }
数据源: ai_enrichment
backdate 指在文件或记录上标注比实际日期更早的日期,常用于追溯生效或伪造时间。

用法要点

句型搭配

backdate 通常用作及物动词,后接宾语(如文件、合同、支票),表示将日期提前到某个特定时间。常见句型为 'backdate something to [date]' 或 'backdate something by [period]'。

• backdate a contract to January 1st
• backdate the invoice by two weeks
• backdate the payment

介词用法

backdate 常与介词 'to' 连用,表示回溯到具体日期;也可与 'by' 连用,表示提前一段时间。在被动语态中,介词结构保持不变。

• backdated to last month
• backdated by three days
• backdated to the start of the year

语域说明

backdate 主要用于正式或半正式语境,如法律、商务、会计和行政文件。在日常口语中较少使用,可能带有负面含义(如欺诈)。在学术写作中,可用于描述历史记录或数据追溯。

• backdate an insurance policy
• backdate a legal document
• backdate financial records

基础例句

I need to backdate this check to last week because I forgot to mail it.

我需要把这张支票的日期填到上周,因为我忘记寄出去了。

She asked the bank to backdate the deposit so it would show in her account earlier.

她要求银行将存款日期提前,这样账户里就能早点显示。

They backdated the contract to make it look like it was signed before the deadline.

他们把合同日期提前,让它看起来像是在截止日期前签署的。

高级例句

The company backdated the stock options to grant executives additional benefits retroactively.

公司将股票期权日期回溯,以便追溯性地给予高管额外福利。

In the audit, it was discovered that several invoices had been backdated to manipulate quarterly earnings.

审计中发现,有几张发票被回溯日期以操纵季度收益。

The policy allows backdating insurance claims to the date of initial symptoms for coverage purposes.

该政策允许将保险索赔日期回溯到初始症状出现之日,以便获得保障。

高频搭配

verb

to backdatebe backdatedbackdating

adjective

backdated documentbackdated checkbackdated agreement

noun

backdate of a contractbackdate on the invoicebackdate for tax purposes

adverb

illegally backdatedretroactively backdatedofficially backdated

preposition

backdated tobackdated bybackdated from

phrase

backdate a paymentbackdate the effective datebackdate to avoid penalties

常见错误

❌ 错误:I will backdate the meeting to tomorrow.
✓ 正确:I will backdate the document to yesterday.

backdate 只能回溯到过去的日期,不能用于未来。正确用法应指向过去的时间点。

❌ 错误:He backdated on the contract.
✓ 正确:He backdated the contract.

backdate 是及物动词,必须直接接宾语,不能与介词 'on' 连用。应直接说 'backdate something'。

近义词辨析

antedate

antedate 与 backdate 含义相近,但更中性,强调日期早于实际,常用于历史或学术语境,不一定涉及欺诈。backdate 则更常用于商务或法律场景,可能带有故意操纵的意味。

The manuscript is antedated to the 15th century based on linguistic analysis. (强调历史追溯) vs. They backdated the invoice to reduce taxes. (暗示可能不当行为)

predate

predate 指在时间上早于某事发生,是客观描述,不涉及主动更改日期。backdate 则指人为地将日期提前,通常有特定目的。

This fossil predates the Ice Age. (自然时间顺序) vs. The lawyer suggested backdating the agreement to last month. (人为操作日期)