let off
phrasal verblet somebody off (with something)
- to not punish somebody for something they have done wrong, or to give them only a light punishment
不惩罚；放过；宽恕；从轻处罚 - They let us off lightly.
他们对我们从轻发落了。 - She was let off with a warning.
她没被处罚，只是受了个警告。
- They let us off lightly.
let somebody off something
- (British English) to allow somebody not to do something or not to go somewhere
允许（某人）不做；准许（某人）不去（某处） - He let us off homework today.
他今天免了我们的家庭作业。
- He let us off homework today.
let something off
- to fire a gun or make a bomb, etc. explode
放（枪等）；使爆炸 - The boys were letting off fireworks.
那些男孩在放花炮。
- The boys were letting off fireworks.