severe 和 harsh 的差別在哪裡？如果不好說明，請提供一些例句。

Harsh is generally used to describe an uncaring, unpleasent, cruel statement. Such as harsh words, a harsh voice or harsh facts.

Severe is used to descibe things that are extreme (similar to harshness.), such as; severe back pain and severe punishment .

So if someone criticised you a lot, you could tell them that they are being harsh.

If you misbehaved in class, your teacher would give you a severe punishment.

In that case you could tell the teacher they were being harsh for giving you such a severe punishment.