lop off
phrasal verblop something off (something)
- to remove part of something by cutting it, especially to remove branches from a tree
synonym chop砍掉;剪掉;修剪(树枝) - to make something smaller or less by a particular amount
削减;减少 - They lopped 20p off the price.
他们把价格降了 20 便士。
- They lopped 20p off the price.