He was a tall, thin man with grey hair that fell in a wild tangle to his shoulders.

他个子瘦高，灰白的头发乱蓬蓬地散落在肩上。

《柯林斯英汉双解大词典》

My middle-aged friend says I should accept the inevitable fact that let the bones turn brittle, the skin shrivel and sag, the hair grey and thin.

我的中年朋友说，我应当接受不可避免的事实，让骨骼变得脆弱，皮肤枯萎松弛，头发稀疏变白。

youdao

Her blonde hair was matted, and I noticed that she was shivering in her thin little sleeveless blouse.

她金黄的头发乱蓬蓬的，穿着一件瘦小的无袖罩衫，身子冻得瑟瑟发抖。

youdao

Even now that her hair was thin and graying, she wore it in a single long braid down to her waist, like a young woman in the village.

NEWYORKER: Nawabdin Electrician

Luda had a sudden urge to reach over and touch the thin wisp of hair that stuck to his forehead.

NEWYORKER: Luda and Milena

Many of the tiny metal pieces are cut with a new mechanical process that runs electric current through a hair-thin filament.

FORBES: Time Is Money