Cut back
剪短；修剪(枝叶等)
He cut back some shoots on this tree.
他剪掉了这棵树上的一些嫩枝。
削减，减少，缩减
They had to cut back on their family expenses.
他们不得不削减家里的开支。
Cut down
砍倒
He cut down the tree behind the house.
他把房子后面的那颗树砍倒了。
削减；缩减
Because of the poor management of the company, they had to cut down some staff.
由于公司管理不善，他们不得不裁掉一些员工。
Cut off
切断；停止
The power supply has been cut off in this town.
这个城镇的电源被切断了。
切掉；减掉; 砍掉
He cut off some small branches.
他砍掉了一些小树枝。
Cut out
解除；停止服用
His father decided to cut out smoking.
他父亲决定戒烟。
剪出；裁剪
My Chinese teacher asked me to cut these articles out of the newspaper and pasted them on a notebook.
我的语文老师让我把这些文章从报纸上剪下来，贴在笔记本上。
删除；删去
It’s redundant. You should cut out this paragraph.
这是多余的。你应该删掉这一段。
遮挡
The tall persimmon tree cut out the sunlight.
那棵高大的柿子树遮住了阳光。
Cut through
抄近路穿过
Let’s cut through the field to get home.
我们穿过田野抄近路回家吧。
Cut up
切碎；剪碎
I cut up some scallions and ginger.
我切碎了一些葱和姜。
毁坏；使受伤
The solider was seriously cut up in the war.
士兵在战争中受伤严重。
使伤心，使悲痛
His results in the college entrance examination cut him up badly.
他的高考成绩使他深受打击。