A vandal with a chainsaw cut down a tree.
一个蓄意破坏公物者用链锯锯倒了一棵树。
You should cut down on fats and carbohydrates.
你应该减少摄入脂肪和碳水化合物。
The doctor told him to cut down on his drinking.
医生劝他少喝酒。
He will now try to cut down the task to a manageable size.
他现在将尽力把任务缩减到能应对的程度。
We're trying to cut down on the amount of paperwork involved.
我们正在努力降低有关此事的文书工作量。