ring

ring off（intr） 挂断电话：

He rang off before I could ask his name.

没等我问他的名字，他就把电话挂断了。

ring up（tr/intr） 打电话给某人：

I rang up the theatre to book seats for tonight.（rang the theatre up/rang them up）

我给剧院打了电话，预购今晚的票。

If you can't come ring up and let me know.

你要是来不了，请打电话让我知道一声。

round

round up（tr）（把人或动物）撵到一起：

The sheepdog rounded up the sheep and drove them through the gate.

牧羊犬把羊撵到了一起，把它们赶过栅门。

On the day after the riots the police rounded up all suspects/rounded them up.

暴乱后的那一天，警方把嫌疑者都抓起来了。

rub

rub out（tr） 用擦子或橡皮把字迹擦掉：

The child wrote down the wrong word and then rubbed it out.（rubbed the word out/rubbed out the word）

孩子写错了一个字，又把它擦掉了。

rub up（tr） 复习，温习某项知识：

I am going to France；I must rub up my French.（rub it up）

我要去法国了。我得把法语温习一下。

run

run after（to）追逐（参见下面的例句）

run away（intr） 逃跑，出走（离开家庭、学校等）：

The thief ran away and the policeman ran after him.

小偷逃跑了，警察追了去。

He ran away from home and got a job in a garage.

他离家出走，在一家汽车修理站里找了个工作。

run away with（tr）（感情）变得不可控制，（马匹）奔逸：

Don't let your emotions run away with you.

不要听任感情失控。

His horse ran away with him and he had a bad fall.

他骑的马狂奔起来，他摔得不轻。

run away with the idea 过分匆促地接受某种想法：

Don't run away with the idea that I am unsociable；I just haven't time to go out much.

不要轻信我不爱同人交往的说法；我只不过是没有时间经常外出而已。

run down（tr） 诋毁，说……的坏话：

He is always running down his neighbours.（running his neighbours down/running them down）

他总是在说邻居的坏话。

run down（intr） 发条松了，电池没有电：

This torch is useless；the battery has run down.

这电筒没有用；电池没有电了。

be run down（intr）（由于生病或工作过度而）身体坏了：

He is still run down after his illness and unfit for work.

他病后仍然体力不佳，不适合工作。

run into（tr） 撞上（车辆等）：

The car skidded and ran into a lamp-post.

汽车打滑，撞上了电线竿。

run into/across someone 偶然遇见（某人）：

I ran into my cousin in Harrods recently.

我最近在哈洛德百货商店遇见了我表弟。

run out of（tr） 用光，吃喝无余：

I have run out of milk.Put some lemon in your tea instead.

我没有牛奶了。你在茶里放点柠檬吧。

run over（tr）（车辆）轧过：

The drunk man stepped into the road right in front of the oncoming car.

The driver couldn't stop in time and ran over him.

醉汉走到马路上，正好到了开过来的汽车前面。司机来不及停车，从他身上轧过去了。

run over（tr/intr） 溢出：

He turned on both taps full and left the bathroom.When he came back he found that the water was running over/running over the edge of the bath.

他把两个水龙头开到头，就走出了浴室。回来时他发现水已经溢出来了/溢出浴盆边沿了。

run over/through（tr） 迅速地复习，检查，重读一下：

We've got a few minutes before the train goes，so I'll just run through your instructions again.

火车开车以前还剩几分钟，所以我要再重复一下给你们的指示。

run through（tr） 极度浪费（指供应品或钱）：

He inherited a fortune and ran through it in a year.

他继承了一大笔财产，一年之内就挥霍光了。

run up bills 由于不断赊购而积累起许多帐单：

Her husband said that she must pay for things at once and not run up bills.

她丈夫说她得用现款购物，不该积起厚厚一叠帐单。

run up against difficulties/opposition 遭遇困难/反对：

If he tries to change the rules of the club he will run up against a lot of opposition.

如果他想改变俱乐部的章程，就会遇到很多反对意见。