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

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。
It seems a false economy to me to cut down on libraries.
在我看来，减少图书馆的数量并不是真正的节约。
He ought to cut down the volume of work.
他应该减少工作量。
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？
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。
If you want to play safe, cut down on the amount of salt you eat
如果想要谨慎点的话，就减少盐的摄入量。
In the old society hunger, cold and illness cut down many of the villagers.
在旧社会，饥饿、寒冷和疾病夺去了村里许多人的生命。
The remaining block of woodland is cut down to ground level.
剩下的那片树林被砍得精光。
The article is too long and should be cut down by half.
这篇稿子太长，得砍去一半。
She cut down the seedling with one chop.
她砍一刀就把树苗砍倒了。