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

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。
I had to cut down a tree and enlist the help of seven neighbours to get it out of the garden!
我不得不砍掉一棵树，并叫来7位邻居帮忙把树抬出花园！
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。
She cut down the seedling with one chop.
她砍一刀就把树苗砍倒了。
They cut down some trees to knock down the fire and prevent it from spreading further.
他们砍倒了一些树以控制火势，使火不再蔓延开去。
He said Africa was suffering badly from deforestation: for every ten trees cut down, only one was planted.
他说非洲的森林砍伐现象非常严重：每砍伐10棵树，仅种植1棵。
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？
He cut down some enemies.
他砍死了几个敌人。
The once-powerful post unions have been cut down to size.
一度很强势的邮政联盟已经威风不再。
Cut down your overall amount of physical activity
减少体力活动的总量。