1. take off one's coat : 脱大衣;
2. trail one's coat : 故意挑衅;
及物动词
名词
退货
1. 上衣;外衣;外套
A coat is a piece of clothing with long sleeves which you wear over your other clothes when you go outside.
2. (动物的)皮毛
An animal's coat is the fur or hair on its body.
3. 给…涂上(或盖上、裹上)
If you coat something with a substance or in a substance, you cover it with a thin layer of the substance.