An overcoat is a long, thick coat you wear over your other clothes when it is cold. It usually goes down toward the knee or lower, and it is for going outside, not for sitting in class.

An overcoat isovercoat是 a long, thick coat一件長又厚的外套， you wear over your other clothes穿在其他衣服外面， when it is cold在天冷的時候。 It usually goes down toward the knee or lower它的長度通常會到膝蓋或更下面， and it is for going outside而且是要穿出門的， not for sitting in class不是坐在教室裡穿的。

In British English especially, overcoat still sounds like a proper winter coat, a bit more formal than a hoodie or a short jacket. Though actually, many people now just say coat for the same thing; overcoat makes you picture something older, heavier, and smarter — the kind you wear over a suit.

In British English especially尤其在英式英文裡， overcoat still sounds like a proper winter coatovercoat聽起來仍然像是一件正式的冬季大衣， a bit more formal than a hoodie or a short jacket比帽T或短夾克要正式一點。 Though actually不過其實， many people now just say coat for the same thing現在很多人講同一件東西只會說coat； overcoat makes you picture something older, heavier, and smarterovercoat會讓人聯想到比較老派、比較厚重、比較體面的東西 —— the kind you wear over a suit就是穿在西裝外面的那種。

There is a rare verb to overcoat (to put a layer of paint or material on top), but the word you will meet is the clothing noun.

There is a rare verb to overcoat有一個少見的動詞to overcoat （to put a layer of paint or material on top）（指在上面塗一層漆或材料）， but the word you will meet is the clothing noun但你會遇到的是指衣服的那個名詞。