keep from . not let others know it；not tell 保密
You'd better keep the bad news from Mother．你最好不要把这坏消息告诉母亲。
Keep the news from him；he will tell everyone about it ．不要把这消息告诉他，他会见人就说的。
keep from . prevent from；hold back 阻止
The government is considering further action to keep the pound from falling in value．政府正在考虑采取进一步行动以阻止英镑贬值。
Urgent business kept me from attending the meeting．我因为有急事，所以没有参加会议。
You'd better keep your daughter from going out at night．你最好禁止你女儿夜间外出。
keep from . hold oneself back from；stop or prevent oneself from doing something 避免；不做某事；戒除
He keeps from alcohol．他戒酒了。
Can you keep from repeating gossip? 你能避免搬弄是非吗?
I hope you will keep from doing anything rash．我希望你不要做任何鲁莽的事情。
The doctor advised me to keep from smoking．医生劝我戒烟。
If you get to know him，you can't keep from liking him．你了解他以后，就不会不喜欢他。
keep going . continue to live；maintain in operation 维持生活；维持下去
How does the old man keep going? 那位老人是怎么维持生活的?
The principal of the school died，but the teachers keep the school going as before．校长逝世了，但是老师们维持了正常的教学。
My money can keep me going until pay day．我的钱能使我维持到发工资的时候。
The doctors manage to keep him going．医生们设法维持他的生命。
I'm not sure that the company can keep going．我不敢断定这家公司是否能继续维持下去。
keep good hours . keep early hours . be habitually early in returning home or in retiring to rest 经常早回家或早睡觉；早睡早起
School boys should keep good hours．上学的孩子要早睡。
Those who keep early hours are generally healthy．早睡早起的人身体好。
keep house . do the usual work of running home，cooking，cleaning，管理家务
He is quite good at keeping house．他治家有方。
When my grandmother died，Mother went to keep house．我外祖母去世后，我母亲就去料理家务。
keep in . control 抑制
You should keep in your bad temper．你应该控制你的坏脾气。
Jim was very angry but he kept himself in．吉姆很气愤，不过还是忍住了。
keep in . （make）stay indoors（使）留在室内
It is best to keep in while the temperature is so far below freezing point．气温在零下很多度的时候最好不要外出。
Bad weather has kept the children in for a week．糟糕的天气已经使孩子们在家里呆了一星期。
We were kept in by the rain．下雨了，我们出不去。
keep in . continue burning 继续燃烧
Will the fire keep in till we get back? 这火能一直燃烧到我们回来吗?
The stove will keep in all night if you put enough coal into it ．如果在炉子里放足够的煤的话，这炉火可烧一夜。
keep in . detain after normal school hours （as a punishment，）把（学生）留在学校晚回家（作为惩罚等）
Our teacher was in a bad temper today．She kept us all in for half an hour．今天老师脾气不好，她把我们留在学校晚放学半个小时。
keep in check . control；avoid an excess of 控制（增长）
We must keep our spending in check this month．我们必须控制这个月的开销。
Unless imports are kept in check we are in danger of losing our favourable balance of trade．如果不控制进口，我们就有失去贸易有利平衡的危险。
If I hadn't kept myself in check，I might have said something that I would have regretted later．如果我不控制自己的话，我就会说出一些以后要后悔的话。
keep in check . prevent any further advance by 控制进一步发展
by prompt action the authorities managed to keep the disease in check．当局采取及时措施控制了疾病的蔓延。
keep in contact with . keep in touch with . continue in communication with；be in touch with 与…保持联系
Now that we've met again after all these years，let's keep in touch with each other．既然这么多年之后我们又见面了，那就让我们彼此保持联系吧。
When I was at college I kept in touch with my parents by phoning them every week．我上大学时，每周打一次电话和父母保持联系。
keep in mind . remember；bear in mind记住
Above all，you should keep it in mind to be temperate in eating and drinking．最重要的是，要记住节制饮食。
It must be kept in mind that we shall have to be present before eight tomorrow．一定要记住，我们要在明天八点以前到场。
You must keep in mind that he is younger than you．你应该记住他比你年轻。
Please keep in mind that you promised to call her at two o'clock．请记住，你曾答应她两点钟打电话给她。
keep in one's head . remember 记下；背下
I don't know how the chairman keeps all these data in his head．我不知道主席是如何记住这些数据的。
keep in with . remain familiar or friendly with与…保持良好关系
You should keep in with him as he is very influential．你应和他搞好关系，他是一个很有影响的人。