animal

n.[C]

1. 動物
   Human beings are social animals.

   人是社會性的動物。

2. 獸；牲畜
   Horses can be used as pack animals.

   馬可以用作馱畜。

3. 畜牲般的人；殘暴的傢伙
   The man was thought to be an animal because he behaved in a rough and unacceptable way.

   大家把這人當作畜牲，因為他行為粗魯，令人難以接受。