"scruff" in Chinese (Simplified)
后颈脖子皮（动物）
Definition
“scruff” 指脖子的后部，尤其是某些动物（如猫或狗）脖子上松弛的皮肤，可以用来提起或抓住它们。
Usage Notes (Chinese (Simplified))
常见于 'by the scruff of the neck' 这个短语，多指对动物（尤其小动物）提起或控制。用于人时常有比喻意义，表示强烈控制权。不要与 'scruffy'（邋遢的）混淆。
Examples
The mother cat carried her kitten by the scruff.
母猫叼着小猫的**后颈**。
He grabbed the dog by the scruff to stop it from running away.
他抓住了狗的**后颈**，不让它跑掉。
She gently lifted the puppy by the scruff.
她轻轻地提起了小狗的**后颈**。
The teacher joked about taking the troublemaker by the scruff and sending him out.
老师开玩笑说要把捣乱的学生从**后颈**拎出去。
You can tell a cat feels safe when it's held by the scruff just like its mother did.
你可以看出猫被抓着**后颈**时像被母猫叼着一样有安全感。
He looked like he needed someone to grab him by the scruff and set him straight.
他看起来就像需要有人抓住他的**后颈**让他清醒一下。