How to express "slender, extremely fine" in English?

The analysis of fines is as follows:

First, pronunciation:

British pronunciation: /fa? n/

American pronunciation: /fa? n/

Second, interpretation:

Noun (abbreviation for noun) fine; Fines; Sunny day; niceness

ok； Beautiful; Health; subtle

(make) better; Refine; very good

Third, the change of parts of speech:

Noun plural: fine

Verb past tense: fine

Verb past participle: fined

Verb present participle: refinement

Adjective comparative: better.

Adjective superlative: the best

Fourth, word collocation:

Pay a fine

the sunny day

Exquisite works of Art

A fine line of demarcation

It's a mess. It's not in good shape.

Verb (abbreviation for verb) usage:

Fine is a descriptive adjective, which basically means that it becomes very fine after processing and refining, and can be extended to "beautiful, excellent, excellent, outstanding", "slender", "fine", "sunny, no rain" and "healthy; Comfortable, exaggerated, ostentatious, terrible, terrible and so on.

Fine is usually used as the subject when it means that the weather is "good"

As an adverb, Fine means "beautifully" or "beautifully" or "subtly".

Fine can be used as an adverbial to modify the predicate verb in a sentence.

6. Example:

This wine has a good smell. This kind of wine aroma is very good. )

I was fined for not wearing my seat belt. ) I was fined for not wearing my seat belt. )

She has a good sense of humor. ) She has a good sense of humor. )

The quality of this artist's works is very good. The artist's works are of high quality. )

This dress is made of fine silk. )