【英语词汇解析大全】thin:用法·场景·例句全解析

核心释义:单词"thin"是英语中一个多词性多含义的基础词汇,主要作形容词表示"薄的、瘦的、稀少的",也可作动词表示"使变薄、稀释",以及副词表示"薄薄地"。

一、词性基本用法详解

词性 含义 例句
形容词 薄的、瘦的、稀的 She picked a thin book from the shelf.
(她从书架上选了一本薄的书。)
动词 使变薄、稀释、减少 Add water to thin the paint.
(加水稀释油漆。)
副词 薄薄地、稀疏地 Slice the cheese thin for the sandwich.
(把奶酪切薄做三明治。)

二、形容词用法深度解析

作为形容词时,thin有以下几类主要应用场景:

1. 描述物理厚度

指物体在某维度上测量值小,与"thick"相对:

- Thin paper tears easily.(薄纸容易撕破。)
- The ice is too thin for skating.(冰太薄不能滑冰。)
- He wore a thin jacket in the cold weather.(他在冷天里只穿了一件薄夹克。)

2. 描述人体或动物体型

指体重偏轻、脂肪少的身材,中性或略带贬义:

- After her illness, she became very thin.(生病后,她变得很瘦。)
- The model was unusually thin.(那个模特异常消瘦。)
- 注意:描述人瘦的委婉说法常用"slim"(苗条)或"slender"(修长)

3. 描述液体、气体浓度

指密度低、浓度小、流动性强的物质:

- The soup is too thin; add more vegetables.(汤太稀了,多加些蔬菜。)
- Thin air at high altitudes makes breathing difficult.(高海拔地区空气稀薄,呼吸困难。)

4. 描述数量、密度稀疏

指数量少、分布稀疏、不密集:

- His thin hair made him look older.(他稀疏的头发让他看起来更老。)
- The audience was thin at the evening performance.(晚场演出观众稀少。)

5. 描述质量不佳或微弱

指声音微弱、论点薄弱、理由不充分等:

- She replied in a thin voice.(她用微弱的声音回答。)
- That's a pretty thin excuse.(那是个相当站不住脚的借口。)
场景类型 示例 反义词
物理厚度 thin paper(薄纸) thick
体型描述 a thin person(瘦人) fat/plump
液体浓度 thin soup(稀汤) thick
数量密度 thin hair(稀疏头发) thick/dense

三、动词用法详解

作为动词时,thin表示"使变薄、变稀、减少",常与out、down等副词连用:

- We need to thin the seedlings to give them space to grow.
(我们需要间苗给它们生长空间。)

- The crowd thinned out after the concert.(音乐会后人群逐渐散去。)

- She thinned down the sauce with some water.(她用水把酱汁调稀。)

- His hair is thinning on top.(他头顶的头发正在变稀疏。)

四、常见短语与固定搭配

短语/搭配 含义 例句
thin out 变稀疏,减少 The trees thin out near the summit.
(靠近山顶树木变得稀疏。)
thin down 变瘦,稀释 He's thinned down a lot since last year.
(自从去年以来他瘦了很多。)
thin on top 头发稀疏 He's going thin on top.
(他头顶头发越来越少了。)
thin skin 脸皮薄,敏感 Don't criticize him—he has very thin skin.
(别批评他—他脸皮很薄。)
thin air 空气稀薄,凭空 He vanished into thin air.
(他消失得无影无踪。)
thin excuse 站不住脚的借口 That's a thin excuse for being late.
(那是个站不住脚的迟到借口。)

五、易混淆词辨析

词汇 含义区别 例句对比
thin 中性或略带贬义,指瘦 He's too thin; he should eat more.
(他太瘦了,应该多吃点。)
slim 褒义,苗条修长 She has a slim figure.
(她身材苗条。)
skinny 贬义,皮包骨的瘦 The skinny dog looked malnourished.
(那只瘦骨嶙峋的狗看起来营养不良。)
lean 精瘦,肌肉结实 Athletes have lean bodies.
(运动员有精瘦的身体。)

六、文化使用注意

在英语文化中,直接描述人的体型时需要特别注意:

礼貌提示:在描述他人体型时,thin可能带有负面含义,暗示不健康或营养不良。更礼貌的表达包括:

直接说某人"too thin"可能被视为不礼貌,除非在非常熟悉的场合或表达关心时:"You're looking thin—are you feeling okay?"(你看起来瘦了—你还好吗?)

七、实战应用练习

请用thin的正确形式填空:

1. She has ______ hair that she often covers with a hat.
2. Please ______ the sauce with a little milk.
3. The fog ______ as the sun rose higher.
4. He made a ______ excuse for his absence.
5. The mountain air is ______ at this altitude.

查看答案

1. thin
2. thin
3. thinned
4. thin
5. thin

总结thin是一个简单但多功能的英语词汇,通过掌握其不同词性和各种用法场景,能够大大增强你的英语表达能力。记住在实际使用中要注意文化语境和礼貌含义,特别是在描述人体特征时。

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