He had dark, curly hair.

他有一头黑色卷发。

《柯林斯英汉双解大词典》

Do you think he is a cypher, Curly?

你认为他是无足轻重的人吗，斯莱特利？

youdao

He has curly brown hair.

他有一头卷曲的棕色头发。

youdao

He wears a thick, curly mustache, and his face is long and straight, like a Balinese mask.

NPR: Movie Madness (Some of it Genius) for the Holidays

The man described as white, aged 40-50, 6ft tall and of slim build with short dark curly hair and he was clean-shaven.

BBC: Haverhill woman attacked with glass shard and bleach

The paper was penned by a 26-year-old Swiss patent clerk with dark, curly hair years before he sprouted that signature nest of white hair.

NPR: E=mc? at 100