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 your overall amount of physical activity
减少体力活动的总量。
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。
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。
She cut down the seedling with one chop.
她砍一刀就把树苗砍倒了。
The article is too long and should be cut down by half.
这篇稿子太长，得砍去一半。
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 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。
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？
These people do not have the equipment or the manpower to cut down the trees.
这些人没有设备或者人手砍伐这些树。
He ought to cut down the volume of work.
他应该减少工作量。