be + thin
形容人瘦时常用此结构。
She is very thin.
她很瘦。
薄的
thinner — comparative of thin
瘦的；细的；稀疏的；稀的；微弱无力的；单薄的
having little distance between two opposite surfaces
Having little thickness or extent from one surface to its opposite.
Very narrow in all diameters; having a cross section that is small in all directions.
Having little body fat or flesh; slim; slender; lean; gaunt.
Of low viscosity or low specific gravity.
Scarce; not close, crowded, or numerous; not filling the space.
Describing a poorly played golf shot where the ball is struck by the bottom part of the club head. See fat, shank, toe.
Lacking body or volume; small; feeble; not full.
Slight; small; slender; flimsy; superficial; inadequate; not sufficient for a covering.
Of a route: relatively little used.
贫乏的；稀少的；无钱或无成功的。
Poor; scanty; without money or success.
The ice on the lake is too thin to walk on.
湖上的冰太薄了，不能在上面走。
用法提示：thin 在此作形容词，意为‘薄的’，描述冰的厚度很小。
She cut the cucumber into very thin slices.
她把黄瓜切成了很薄的片。
用法提示：thin 作形容词，放在名词 slices 前，表示‘薄的’。
The walls are so thin that I can hear the neighbors talking.
墙太薄了，我能听到邻居说话。
用法提示：thin 作形容词，表示‘薄的’，说明墙很薄。
形容人瘦时常用此结构。
She is very thin.
她很瘦。
形容词修饰名词，表示薄的物体。
thin ice
薄冰
表示程度过分的结构。
The paper is too thin.
这张纸太薄了。
最常用、最中性，强调身材细长好看；正式和非正式场合皆可。
语气较优雅、偏书面，常形容女性柔美的细长身形。
较口语，常含贬义或指过度瘦削；想表达欣赏时不宜用。
强调体脂少、肌肉结实，多用于人或动物，常含褒义。
较正式或文学，形容人苗条且仪态优雅，略带赞美。
grammar · medium
易错句子The road is too thin for two cars.
正确表达The road is too narrow for two cars.
中文里“薄”和“窄”有时都用“thin”翻译，但英语中形容道路宽度要用narrow。
grammar · medium
易错句子She is very skinny, but she thinks she is healthy.
正确表达She is very thin, but she thinks she is healthy.
Skinny常带有贬义或暗示过于消瘦，而thin是中性词，描述瘦时应根据语境选择。
本条目针对 thin 表示“薄的”这一主要含义，反义词为 thick（厚的）。
slim 强调纤细而优雅，常含褒义；thin 中性或略带贬义
skinny 强调过于瘦削，常含贬义；thin 更中性
slender 强调修长而匀称，褒义；thin 中性
薄片
Cut the cucumber into thin slices.
把黄瓜切成薄片。
薄层
There was a thin layer of frost on the windows.
窗户上有一层薄薄的霜。
稀薄的空气
At this altitude, the thin air makes it hard to breathe.
在这个高度，稀薄的空气让人呼吸困难。
稀稀落落的人群
The early show had a thin crowd.
日场演出观众稀少。
薄冰
Don't walk on that thin ice.
别在那薄冰上走。
细微的界限
There is a thin line between confidence and arrogance.
自信和傲慢之间只有一线之隔。
adverb
noun
adjective
adjective
adjective
thin 常形容厚度，如 a thin layer（薄薄的一层）。
thin paper 表示薄纸，常用来谈纸张厚度。
thin fabric 表示薄布料，涉及质地与厚度。
thin hair 可指头发稀疏或细软，涉及密度与粗细。
thin soup 表示稀汤，指液体黏稠度低。
凭空；无中生有
He pulled the excuse out of thin air.
他凭空编造了那个借口。
如履薄冰；处境危险
You'll be on thin ice if you're late again.
如果你再迟到，你的处境就危险了。
患难与共；历经风雨
They stayed friends through thick and thin.
他们患难与共，始终是朋友。
我觉得自己变得单薄，有点被拉长，就像抹在太多面包上的一层黄油。
He was so thin that his clothes hung loosely on him.
他瘦得衣服松垮垮地挂在身上。
Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, WORDNET.