cut down和cut down on 的区别（在线等） cut down后面可以跟doing吗

cut down
KK: [ ]
DJ: [ ]
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
消减花费也等于减少花费. 两个词组都有减少的意思 但 cut down 除了减少消减 还有 砍倒 胜过 删节的意思
cut down后面不可以跟doing