狗咬住某个部分英文怎么说

"狗咬住某个部分" 可以用英文表示为 "a dog biting a part of something". 这个表达方式来源于日常生活，指狗用嘴咬住某物的某个部分。

下面是一些例句：

The dog had a firm grip on the ball with its teeth. (狗用牙齿紧咬住球。)
The dog was biting the man's arm. (狗正咬着那个男人的胳膊。)
I had to pry the dog's jaws open to get it to release the toy. (我不得不用力撬开狗的下颚，才能让它放下玩具。)