CUT OFF和CUT DOWN有什么区别啊！！！

cut off
美式音标: [ ]
英式音标: [ ]
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。
cut down
美式音标: [ ]
英式音标: [ ]
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 off, 全部都被切除了，或者降下来。
cut down， 部分被切除，或者降下了，

Cut Down
1.砍倒
2.使丧命；夺去……的健康
3.减少，削减
4.改短衣服
Cut Off
1.切掉，割断，剪断
2.中断，切断
3.截断，隔断，包围
4.夺取某人的继承权