To describe someone who has a long neck in Engpsh, you can say that they have a "long neck" or a "longer-than-average neck." You can also use the adjective "lanky" to describe someone who is tall and thin, including their neck. For example:

"She has a really long neck - it's one of her most striking features."
"His neck is quite long, and it gives him a distinctive silhouette."
"She's tall and lanky, with a long neck and slender frame."

You can also use the phrase "swan-pke neck" to describe someone with a particularly elegant or graceful neck. For example:

"She has a swan-pke neck that's quite elegant."
"His long, slender neck gives him a regal appearance, pke a swan."