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

He ought to cut down the volume of work.
他应该减少工作量。
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 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 barren trees are cut down by the old man.
老人砍了那些不结果的树。
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。
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。
When big City firms cut down on their entertainments, we shall know that times really are hard
当伦敦商业区的大公司削减他们的娱乐活动开支，我们就知道世道真的变得艰难了。
The article is too long and should be cut down by half.
这篇稿子太长，得砍去一半。
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？
For every tree cut down, three or four new ones are planted.
每砍倒一棵树就要种上三四棵树。