due · 语义深度解析

核心

三种高频用法：「预定（be due to do）」「由于（due to）」「应有的/适当的（due + 名词）」

due 有三个核心用法：①be due to do（预定/应该在某时发生）= The report is due next Monday（报告预定下周一提交）；②due to（介词短语，由于/因为）= Due to bad weather, the flight was delayed；③due（形容词，应有的/适当的）= give due consideration（给予应有的考虑）；in due course（在适当时候）。注意：due to 本义是形容词（due = 可归因于），如 the delay is due to bad weather（延误是由于恶劣天气，这里 due 修饰 delay）；现代英语中 due to 作介词短语直接引导状语已被广泛接受。

释义

1

adj.预定的；应当（在某时）发生或提交的

The committee's final report is due at the end of the month.

委员会的最终报告预定在月底提交。

2

prep. phrase由于；因为（due to = 介词短语，引导原因）

The concert was cancelled due to a sudden illness of the lead performer.

演唱会由于主演突然患病而取消了。

3

adj.应有的；适当的（due + 名词）

All applicants will receive due consideration regardless of their background.

所有申请人都将获得应有的考虑，不论其背景如何。

语感

in due course = 在适当的时候；overdue = 逾期的/早该发生的——高频派生词

预定的（adj.）由于（due to，介词短语）应有的/适当的（adj.）

重要派生和固定短语：overdue（逾期的；早就应该发生的：a long-overdue reform = 早该进行的改革）；in due course（在适当时候，书面正式）；due date（截止日期）；give due credit to（给予……应有的认可）；with due respect（恕我直言，礼貌性反对套语）。注意：overdue 的「早该」义：an overdue apology = 早就应该有的道歉（含批评意味）。

陷阱

⚠️due to 的传统用法：做表语修饰主语（不作句首状语）

The project delay was due to a shortage of materials.

✗

Due to a shortage of materials, the project was delayed.（这在现代英语中已被广泛接受，但严格语法建议用 owing to）

✓

传统语法规定 due to 是形容词短语，应做表语（the delay was due to...）；句首状语应用 owing to 或 because of（Owing to a shortage of materials, the project was delayed）；but 现代英语中 due to 句首用法已普遍接受，在高中写作中均可使用

项目延期是由于材料短缺。

⚠️be due to do（预定）vs due to（由于）

✗

The meeting is due to poor planning.

（有歧义的句子）

此句有歧义：理解为「由于规划不良而取消的会议」（due to = 由于）还是「会议预定（某时）」？若想表达「预定」，必须加 to do（the meeting is due to start at 3 = 会议预定3点开始）；若表达「由于」，需要完整句（the cancellation was due to poor planning）

✓

The meeting is due to start at 3 pm, but may be cancelled due to poor attendance.

会议预定下午3点开始，但可能由于出席人数不足而取消。

近义辨析

due vs owing to

due 由于/因为（介词短语，引导原因），现代英语中可用于句首和句中 owing to 由于/因为（介词短语），传统语法认为 owing to 更适合句首状语位置

The match was postponed due to adverse weather conditions.

比赛由于恶劣天气而推迟。

Owing to a technical fault, the broadcast was interrupted for twenty minutes.

由于技术故障，广播中断了二十分钟。

写作加分

✨ 加分词

替换：because oflatesuitable

议论文分析原因政策评估描述应有的权利/关注

普通

The problem was caused because of a lack of funding.

这个问题是因为缺乏资金而造成的。

加分 ✨

The persistent achievement gap is largely due to structural inequalities in resource allocation, rather than individual effort or ability.

持续存在的成就差距很大程度上由于资源分配上的结构性不平等，而非个人努力或能力。

为什么更好：due to 在此句做表语成分（the gap is due to...）是最规范的用法；rather than... 对比结构是议论文「否定错误归因」的经典句式，比 because of 在学术写作中更书面

常用搭配

be due to do预定做某事（预计在某时发生）

due to + 名词由于……（原因介词短语）

overdue逾期的；早该发生的（合成形容词）

in due course在适当的时候（书面正式）

give due credit / consideration to给予……应有的认可/考虑

词根

due（应得的/预定的）→ 想到「due date（截止日期）」和「What's due to me?（我应得什么？）」——due 总是和「该有的、应到的」连在一起

考考你

Q1义项辨析

下面哪个句子里 due 的用法和其他三个最不同？

A

The rent is due on the first of every month.

B

The new policy is due to take effect next quarter.

C

Sales declined due to a global shortage of raw materials.

D

All participants deserve due recognition for their contributions.

A/B/D 中 due 均作形容词（到期的/预定的/应有的）；C 中 due to 是介词短语，表示「由于/因为」（原因），功能完全不同。

Q2对错判断

判断下面句子里 due 的用法是否正确：

The launch of the new product line is due to supply chain disruptions.

✓ 正确版本

The delay in launching the new product line is due to supply chain disruptions.

新产品线发布的推迟是由于供应链中断。

due to 表示「由于」时，主语应是「受影响的事件/结果」（the delay），而非「行动本身」（the launch）；原句结构导致歧义（是「发布由于中断？」），修改后主语明确为「推迟」，due to 引导原因更清晰。

Q3翻译应用

用 due to 或 overdue 翻译下面句子（可参考 writing_upgrade 字段）：

对农村地区教育基础设施的投资长期不足，这一早就应该解决的问题是由于政策优先级长期向城市倾斜所致。

Investment in rural educational infrastructure has long been insufficient — an overdue issue that is largely due to a persistent policy bias favouring urban areas.

关键搭配：overdue issue ... due to a persistent policy bias

overdue（早就应该解决的）+ due to（由于）在同一句中出现，展示同一词根的不同功能；an overdue issue（早就应该解决的问题）是议论文「指出积压问题」的简洁表达；policy bias favouring X（有利于X的政策偏向）是政策分析的书面术语。

接着学

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