问几个英语词组的意思

at no time 在任何时候都不;决不
At no time should you give up studying.
在任何时候你都不应放弃读书。

at any time 在任何时候

at one time 曾经;一度
At one time they met frequently.
一度他们经常见面

cut out
删去
Cut out all the vulgar expressions.
删去所有粗俗的用语。
关掉
Cut out the engine, will you?
把发动机关掉好吗?
安排
These are the tasks cut out for this week.
这些是安排在这星期做的工作。

cut off
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。
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。
使死亡
He was cut off in his prime.
他在壮年时过世。

cut up
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。
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 down
削减
He tried to cut down on smoking but failed.
他试图少抽烟,但没成功。
缩短
Cut down the article so as to make it fit