She is not too tall, but very thin.

她个子不太高，但是很瘦。

youdao

The hourglass is shaped like the number eight — wide at the top and bottom, but very thin in the middle.

沙漏性状像数字8——顶部和底部宽，但是中间特别窄。

youdao

She's very thin after her illness—but we'll soon fatten her up.

她病后瘦得很—不过我们会使她迅速胖起来的。

《牛津词典》

Roughly three-fifths comes from footwear, most of the rest from apparel, but it slices its markets very thin.

FORBES: On the Run

But with a very, very thin margin.

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But it means that public services have had three very thin years, obliging false economies to be made, followed now by four very fat ones, causing money to be wasted.

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