问题描述：
cut down,cut up,cut off的区别
问题解答：
我来补答
cut down
1.削减
He tried to cut down on smoking but failed.
他试图少抽烟,但没成功.
2.缩短
Cut down the article so as to make it fit the space available on the paper.
把文章缩短一些,这样就能排进报纸有限的版面中.
3.砍倒
cut up
1.切开;切碎
Cut up the carrots before you put them into the pot.
把胡萝卜切碎后再放进锅内.
2.抨击
The article was severely cut up by some critics.
那篇文章曾受到一些评论家严厉的抨击.
cut off
1.切除
He had a finger cut off by a machine while working.
他在工作时被机器切掉了一个手指.
2.切断;中断
I was cut off on my line to London.
我打伦敦长途时,电话线被切断了.
3.使死亡
He was cut off in his prime.
他在壮年时过世.
