run into the ground .  do or use something more than is wanted or needed把（某事）做过头；做得过分；用得太多

Caution is necessary in doing any work，but it is not advisable to run it into the ground．做任何事情谨慎是必要的，但过分谨慎也是不可取的。

It is all right to borrow my dictionary once in a while，but don't run it into the ground．偶尔借用我的词典可以，但总来借就不好了。

run into the ground .  win over or defeat somebody  completely 彻底打败（某人）

I lost the game today，but tomorrow I'll run you into the ground．这次我输了，可明天我一定要打败你。

run into the ground .  manage badly till the result is a complete failure 经营不善以致于一败涂地

He has run his business into the ground．他因经营不善，以致生意一败涂地。

run off . escape； run away 逃走

The enemy soldiers ran off at night．敌军夜里逃走了。

The man has run off with all the funds．那人带了全部款子逃跑了。

run off . make or print（copies）印制；印刷

When you've finished typing this letter，could you run off four copies for me，please? 这封信你打完后请帮我印四份好吗?

Has the article been run off yet? 这篇文章印好了没有?

run off . dash off；recite or compose rapidly 匆匆完成；快速地背出或写出

He's a remarkable writer ；he can run off a novel a week．他是位才华出众的作家，能在一周内赶写出一部小说。

He can run off the list from memory．他能把清单倒背如流。

run off .  allow to flow away 使流掉

There isn't much wine left in the bottle just run it off．瓶里的酒剩下不多了，全部倒光吧。

They ran off the excess liquid．他们把多余的液体排掉了。

The scolding ran off him like water off a duck's back．责备对他毫无作用，就好比水浇在鸭背上，瞬间就流掉了。

run off . cause（a match，a tournament，）to be played to a finish 使（比赛等）赛完；进行决赛以决定（比赛等的）胜负

They ran off the heats and selected their representatives for the big competition．为了选出参加这次大赛的代表，他们进行了预赛。

When will the race be run off?  该项比赛的决赛什么时候进行?

run off . drive off 撵走；赶走；逐出

The boy saw a dog digging in mother's flower bed，and he ran it off．这男孩看到一条狗在妈妈的花坛上乱扒，就把它赶走了。

run on . continue 继续

The war could run on for another year yet．这场战争有可能还要延续一年。

This disease can run on for months．这种病可以拖好几个月。

run on . talk without pause不停地交谈

The old man ran on for hours about his childhood．那位老人连续几小时讲述他的童年。

He kept running on and on，telling me the same story over and over again．他喋喋不休地反复向我讲那个同样的故事。

run on . involve； touch； dwell on关于；涉及；老是想着

Our talks ran on current political news．我们的谈话涉及到当前的政治新闻。

His mind ran on his own troubles．他老在想自己的烦恼事。

run on . press with Jokes or ridicule；abuse with sarcasm 讽刺；嘲讽

It shows an ungenerous and unfeeling disposition to run on those who are in an inferior or dependent position．讽刺挖苦下级人员是一种不大方、无同情心的表现。

run out . come to an end by using用完

Their food was running out fast so the climbers had to return．食品很快就要用完了，因此登山者只好返回。

We'd just reached the motorway when the petrol ran out．我们刚开到高速公路上，汽油就耗完了。

My patience is running out．我已失去耐心。

run out . expire期满无效

My employment contract runs out at the end of this month．我的雇佣合同本月底期满。

The lease for that property will soon run out．那批房产的契约很快就要到期。

run out . convey out， usu． in a car 运送（通常指用汽车）

I'll happily run you out to see them．我很愿意用车送你去见他们。

run out of . have no further supply of用完

The car ran out of petrol after ten miles．这辆小汽车跑了十英里就没油了。

I have run out of money．我把钱用光了。

run out of . force to leave 赶走

If you refuse to leave of your own free will， the boys will run you out of town．如果你不肯自动离开的话，这些男孩会把你赶出城的。

run out on . leave or desert somebody 抛弃

His former allies ran out on him．他原来的伙伴们抛弃了他。

run out on . fail to fulfil；withdraw one's support from 不履行；遗弃；不予支持

You can not run out on the contract，or you could be taken to court．你不能不履行合同，否则你要上法庭的。

He said he would help us， but at the last moment he ran out on us．他说他要帮我们的忙，但最后他却不管我们了。

No one could accuse him of running out on his friends．没人可以使他不帮朋友忙。