His fingers caressed the back of her neck.

他的手指抚摩着她的后颈。

《牛津词典》

The trick is to pick the animal up by the back of its neck.

窍门在于抓住动物的后脖颈把它提起来。

《牛津词典》

She raised her hands to the back of her neck.

她把双手伸到后脖子上。

《柯林斯英汉双解大词典》

When I am facing a lot of pressure at work, my back and neck will start to hurt.

VOA: special.2010.01.24

It watched the back of his neck and hat for a minute, and then a hand came in and sat on his shoulder.

他从后面看了看,那个人的脖颈和帽子，然后将手伸进了车窗,搭在了他的肩上。

耶鲁公开课 - 1945年后的美国小说课程节选

A thick mane grows from the top of the head and down the back of the neck.

VOA: special.2010.06.22

The chair will help keep the rest of the back and neck erect and decrease your chance of hunching forward, which can cause spasms in the back and neck and headaches.

FORBES: Magazine Article

The chair will help keep the rest of your back and neck erect in order to decrease your chance of hunching forward, which can cause spasms in the back and neck and lead to headaches.

FORBES: The 10 Best Exercises To Do At Your Desk

This is often intensely itchy and sometimes spreads to the back of your neck or your back (depending on the length of your hair).

CNN: Why is my scalp so itchy?