cheer up2（及物，可分）使高兴，使振作
Jane cheered her dejected husband up.简让她意志消沉的丈夫振作了起来。
At the meeting everybody said that the domestic situation had cheered him up.在会上，人人都说国内形势令人振奋。
The promise of good weather cheered up the campers.天气可望转晴，这使露营者都兴奋起来。
cheese...off（及物，必分）使感到厌烦
The story he had told cheesed me off.他讲的故事使我厌倦。
I hope you will not be cheesed off listening to me.我希望我的话不会叫你听得厌烦。
She has been cheesed off with his flatteries.他那些拍马屁的话她都听腻了。
chew out（及物，可分）责备
My mother chewed out my younger sister for getting up too late.我妈妈责备我妹妹起床太晚。
The boy's father chewed him out for being too fond of play.那男孩的爸爸训斥他贪玩。
The poor girl was chewed out for spilling the milk.这可怜的女孩因使牛奶溢出而挨了一顿骂。
chew over（及物，可分）细心考虑
I've been chewing over buying a car.我一直在考虑买一辆汽车。
It took me two days to chew over your opinion.我花了两天时间考虑你的意见。
He refused to chew this matter over.他拒绝仔细考虑这个问题。
Let me chew it over and tell you my proposal.让我考虑考虑，再告诉你我的建议。
This problem is not worth chewing over.这个问题不值得花工夫考虑。
chime in1（不及物）对别人的话表示赞成并加以补充
When Hamlin was describing what had happened in the park，Metz chimed in to give some details.当哈姆林正在描述公园里发生的事情时，梅茨表示同意并补充了一些细节。
He chimed in when I suggested a visit to the Great Wall.我提议游览长城，他立即表示同意。
chime in2（不及物）插嘴
The conversation was very pleasant until our talkative neighbour chimed in.很愉快的谈话被我们那多嘴的邻居来打岔给破坏了。
Why do you always chime in？Shut up！你为什么老插嘴？住口！
chip in（不及物）插嘴
Her sister chipped in while we were talking.我们正在谈话，她妹妹插了嘴。
It's impolite to chip in when others are talking.在别人谈话时插嘴是不礼貌的。
choke up（及物，可分）堵塞
The sewer was choked up with dirt.下水道被脏物堵塞了。
The garden was choked up with weeds.园中杂草丛生。
chop up（及物，可分）把…切碎
The cook chopped up the beef.厨师把牛肉剁碎了。
We chopped up the pork for making dumplings.我们把猪肉剁碎了做饺子。
Some people chopped the wood up for firewood.有些人把木材劈开当柴。
chum up with（及物，不可分）与…要好
Bill chummed up with a Chinese boy.比尔同一个中国男孩结为朋友。
Her father told her not to chum up with an idler.她父亲叫她不要同游手好闲的人交朋友。
He has a pleasant manner and chums up with others very easily.他态度随和，很容易结交朋友。
A few children roamed the streets and chummed up with scoundrels.少数孩子流浪街头，结交了坏人。
clam up（不及物）保持缄默
I clammed up until he raised that argument.我一直保持沉默，直到他提出那个论点时我才讲话。
The writer clammed up no matter how the readers criticized his new works.不管读者怎样批评那位作家的新作，他都不吭声。
clamp down on（及物，不可分）严厉制止
The Government clamped down on unauthorized publications.政府取缔了未经批准的出版物。
It's civilians'common demand to clamp down on criminal activities in this city.取缔这个城市的犯罪活动是老百姓的共同要求。
Public places clamp down on smoking.公共场所禁止吸烟。
clap on（及物，可分）匆匆戴上
She clapped on her glasses to read the letter from her son.她匆匆戴上眼镜看她儿子寄来的信。
The boy clapped his cap on and rushed out.这男孩很快戴上软帽，冲了出去。
clean out（及物，可分）清扫
Our cupboard is in a filthy condition；it's time we cleaned it out.我们的碗橱很脏，现在该是我们彻底清理它的时候了。
The pigsty is too dirty to be cleaned out.猪圈太脏，没法清扫。
I clean out my bedroom every day.我每天都清扫卧室。
clean up1（及物，可分）把…打扫干净
We clean the classroom up in turn.我们轮流打扫教室。
They cleaned up the scene of the traffic accident.他们清理了交通事故现场。
The housekeeper cleaned up the drawing room after the children's party.孩子们的晚会结束后女管家清理了客厅。
clean up2（及物，可分）整治
The Government cleaned up the city by taking strong measures to put down criminal offences.政府采取强硬措施打击刑事犯罪，整治了这个城市。
The key to the question lies in cleaning up the leading body.问题的关键在于整顿领导班子。
The mayor has decided to clean the city up though it's a task of great difficulty.市长已决定整顿这个城市，尽管这是一项非常困难的任务。
clean up3（不及物）洗澡
Every evening I clean up by taking a shower.我每天晚上都洗一次淋浴。
He can't see you now.He's cleaning up.他现在不能见你，他在洗澡。
clear off（及物，不可分）整理
Joan helped Nina to clear off the table.琼帮助尼娜把餐桌收拾得干干净净。
She cleared off the bedroom while her father chatted with the guests.爸爸同客人们闲谈时，她收拾了卧室。
The judge cleared off the long-pending cases.这位法官清理了积案。
clear out（不及物）迅速离开
There's so much mess here.We must clear out.此地这么乱，我们得赶快离开。
At the sound of the explosion he put on his overcoat and cleared out.一听见爆炸声他就穿上大衣，赶快逃离了。
clear up（不及物）（天气）放晴
It cleared up after raining for a week.一连下了一个星期雨后天放晴了。
I think the weather will soon clear up.我想天气很快会放晴。
The newspaper says it will clear up tomorrow.报纸报道，明天将转晴。
climb down（不及物）认错，服输
Those who seemed to have good reasons to criticize have climbed down.那些看来有充足理由提出批评的人服输了。
Confronted with public resentment，all he could do was to climb down.面对着公众的不满，他只好低头认错。
clog up（及物，可分）阻塞
Kitchen waste clogged up the drain.厨房垃圾把下水道堵塞了。
Don't clog your memory up with these useless figures.不要强记这些无用的数字。
The sewer has been clogged up with some paper.下水道被纸堵了。
close down1（不及物）（电视台等）停播
We are now closing down；thank you for being with us.我们的广播到此结束，谢谢收听。
The radio closes down Mondays.这家电台每逢星期一停播。
close down2（不及物）（生产、活动等）停止
The market closed down for repairs.那家商场修理内部暂时停业。
The factory closed down for lack of materials.那家工厂因缺乏原料而停产。
close in（不及物）（从四面八方）围上来
They heard the sound of machine guns closing in.他们听见机枪声越来越近了。
The villagers got into tunnels when the invading army closed in.侵略军包围时，村民们进了地道。
close in on ［upon］（及物，不可分）把…包围起来
Before the enemy could set up any strong defence works we closed in on them.敌军还没来得及修好牢固的工事，我们已经把他们包围了。
Mist closed in on the peaks.云雾笼罩了群峰。
close out（及物，可分）甩卖
Many clothes shops close out winter clothing in April.许多服装店都在4月份抛售冬季服装。
This market is closing outmoded goods out.这家商场正在甩卖过时商品。
close up1（及物，可分）阻塞
We closed up every mouse hole while taking stock.(or：We closed every mouse hole up while taking stock.)清理仓库时，我们把每个老鼠洞都堵死了。
The road was closed up by fallen rocks.塌方的石头阻塞了公路。
close up2（及物，可分）使停止（营业、活动等）
A strike has closed up several car factories.(or：A strike has closed several car factories up.)罢工已使几家汽车工厂歇业。
All schools in that city were closed up during the epidemic.那个城市的所有学校在传染病流行期间一律停课。
cloud up（不及物）开始布满乌云
It was clouding up and the rain was approaching.天空乌云密布，快下雨了。
The sky clouded up for a storm.天空开始布满乌云，暴风雨快来了。
