The teacher let offpunishment in view of his good behavior.
鉴他的良好表现，老师免除了对他的处罚。
2
This is a very serious crime. In those days, the punishment was beheading — the convict was dragged out to a public place where everybody could watch and his head was chopped off with a big sword.
当时此罪是重罪，会被砍头——犯人被带到一个公众场所，在那里所有人都可看到他的头被一柄大刀砍落。
3
The judge decided to let the boys off the punishment that they deserved to give them a chance.