cut down

英 [ˌkʌt ˈdaʊn]

美 [ˌkʌt ˈdaʊn]

削减; 减少使用; 砍倒（树木）

柯林斯词典

PHRASAL VERB 削减;减少使用
If youcut down onsomething orcut downsomething, you use or do less of it.
1. He cut down on coffee and cigarettes, and ate a balanced diet...
  他喝咖啡和吸烟都比以前少了，饮食也均衡了。
2. Car owners were asked to cut down travel...
  要求车主们减少驾车出行的次数。
3. If you spend more than your income, can you try to cut down?
  如果你入不敷出，可以试着减少开支吗？
PHRASAL VERB 砍倒(树木)
If youcut downa tree, you cut through its trunk so that it falls to the ground.
1. A vandal with a chainsaw cut down a tree.
  一个故意破坏公物的人用链锯伐倒了一棵树。
→ see:cut 7

verb

cut down on
1. reduce your daily fat intake
2. The employer wants to cut back health benefits
Synonym:reducecut backtrimtrim downtrim backcutbring down
intercept (a player)
Synonym:cut out
cause to come or go down
1. The policeman downed the heavily armed suspect
2. The mugger knocked down the old lady after she refused to hand over her wallet
Synonym:downknock downpush downpull down
cause to fall by or as if by delivering a blow
1. strike down a tree
2. Lightning struck down the hikers
Synonym:felldropstrike down
cut with a blade or mower
1. mow the grass
Synonym:mow
cut with sweeping strokes
Synonym:slash

Most of us know we should cut down on fat. But knowing such things isn't much help when it comes to shopping and eating
我们大多数人都知道应该减少脂肪的摄入量。但是在购物和吃东西的时候，这些常识就丢到一边去了。
Cut down on animal fats found in red meat, hard cheeses and so on.
减少摄入存在于红色肉类、硬干酪等中的动物脂肪。
He cut down some enemies.
他砍死了几个敌人。
We must cut down on the amount of material we use.
我们必须削减原料使用量。
In a recession, consumers could be expected to cut down on non-essentials like toys.
经济不景气时，消费者可能会减少在类似玩具等非必需品上的支出。
The article is too long and should be cut down by half.
这篇稿子太长，得砍去一半。
The barren trees are cut down by the old man.
老人砍了那些不结果的树。
Cut down your overall amount of physical activity
减少体力活动的总量。
I've been trying to cut down on the stuff that I cart around with me.
我一直想减少随身带的东西。
The remaining block of woodland is cut down to ground level.
剩下的那片树林被砍得精光。