单薄的英文：
thin and weak

参考例句：

A thin jacket is a poor protection against cold.
一件单薄的夹克衫不足以御寒。

The beggar shivered in his scanty clothes
乞丐穿着单薄，冻得发抖。

His thin clothes will be inadequate in the winter.
他的衣服单薄冬天不足以御寒。

The work was done cheaply and flimsily.
这件成品做工差，而且质料单薄。

Mrs Brown wrapped the thinly clad man in her fur coat.
布朗夫人用自己的皮大衣把那个衣衫单薄的男子裹住。

He buttoned his thin coat against the chilling wind.
他扣好单薄的上衣，以便抵挡刺骨的寒风。

"It gets cold at night, if you wear light clothing, you 'll catch cold. "
晚上变冷，如果你穿单薄的衣物，你会着凉的。

The fragile land quickly lost its topsoil and became nothing but sand and dust
那单薄的土地很快就失去了表土，成为沙粒和尘埃。

And despite being a skinny, delicate-looking guy, he had the wiry horniness of many small-boned Latin types.
尽管他是个瘦瘦的、单薄的小子，但却具有拉丁民族中典型的筋骨人的特点。

So I headed into the wind, head bdwed, collar up, shuffling in too-thin dress shoes.
我只好一头冲进这寒风之中，竖起衣领，缩着头，拖动着脚下那双单薄的鞋子。

thin是什么意思：
adj. 薄的；细的；瘦的，瘦削的；稀少的；淡薄的
adv. 薄；细；稀；疏；淡；微
v. 使薄；使细；使瘦；使稀薄；使淡；使稀疏
n. 细小（或稀薄）的东西；细小（或稀薄）部分

Skate on thin ice.
如履薄冰。

The thin end of the wedge is dangerous.
楔的细端是危险的。

a thin dribble of oil.
细线般滴下的油。

Thin and bony;angular.
瘦弱的瘦的，瘦骨嶙峋的；骨瘦如柴的

She has long thin shanks.
她有着细长的腿。

weak是什么意思：
adj. 疲软的；虚弱的；软弱的；愚钝的；不牢固的；淡薄的

a weak radio signal; a weak link.
微弱的无线电信号；薄弱的连接。

He has weak eyes.
她的视力不佳。

The spirit is willing But the flesh is weak
力不从心。

Alternate weakness with severity
恩威并济

There is an inherent weakness in the design.
这设计本身存在弱点。