lack of 是英语中表达“缺乏、不足”的核心短语，由名词 lack 与介词 of 构成，用于描述事物或品质的缺失状态。其英式音标为 /læk ɒv/，美式音标为 /læk əv/，强调某事物数量或程度上未能满足需求或期望。

用法解析

核心结构
作为名词短语，lack of 后接具体名词，可直接使用（lack of something）或加不定冠词（a lack of something）。前者侧重状态描述，后者强调具体实例，例如：

缺乏资源：The project failed due to lack of resources（状态描述）

睡眠不足：She suffers from a lack of sleep（具体问题）

常见搭配
可与抽象概念（如经验、信心）或具体事物（如资金、食物）搭配，例如：

lack of experience（缺乏经验）

lack of food（食物短缺）

易混点辨析

动词用法：直接用 lack 作及物动词，不加 of，如 He lacks confidence（不可说 lacks of confidence）。

近义短语：be lacking in 侧重品质或能力不足（如 She is lacking in creativity），而 lack of 可泛指各种缺失。

例句

植物因缺水枯死：The plant died for lack of water.

团队因缺乏规划失败：The campaign failed due to lack of strategic planning.

睡眠不足导致头痛：Her headache resulted from a lack of sleep.

缺乏沟通引发误解：Misunderstandings arose from lack of communication.

资金短缺终止项目：The project was abandoned because of lack of funding.

技能不足限制发展：His career was limited by lack of technical skills.

兴趣缺失影响学习：She quit the course due to lack of interest.

缺乏证据无法定罪：The case was dismissed for lack of evidence.

资源匮乏加剧危机：The crisis worsened with lack of medical supplies.

自信不足阻碍进步：Her growth was hindered by a lack of self-confidence.

短语搭配

lack of attention 注意力不集中

lack of support 缺乏支持

lack of clarity 表述模糊

lack of motivation 动力不足

lack of infrastructure 基础设施欠缺

从日常对话到正式写作，lack of 都是表达“不足”的高效工具。掌握其与动词 lack 的区别（如 She lacks patience 与 Her lack of patience），能显著提升语言准确性。你是否曾因混淆词性而用错过这个短语？不妨用今天的例句自测巩固。