(1) ①manage to do是“设法做到，成功做到”，用于表示经过努力或设法才能做到的场合，这时，可与succeed in doing换用。
- I managed to get/succeeded in getting there before dark in spite of the rain.
尽管下雨，我还是设法在天黑前赶到了那里。 - Finally I managed to bring my intention home to him.
我终于使他认识到我的意图。
②manage to do, succeed in doing用在疑问句、否定句、条件句或带虚拟的句子中，表示“设法或尝试(做某事)”，但不一定成功。
- Do you suppose you can manage to get/succeed in getting me a passport?
你以为你能为我搞到护照吗？ - If I succeed in finding /can manage to find work soon, things will be easier for my family.
如果我不久就能找到工作，我家的事情就好办了。
(2) attempt to do sth.表示“试做，尝试，企图做某事”，但不一定成功。
- The prisoners attempted to escape (or: attempted an escape) but failed.
犯人试图逃跑但没成功。 - She attempted to go on with her work in the house. But she could not.
她试图继续在屋里做她的事，但她做不下去。
(3) try to do 是“试图做(某事)”，但不一定成功。
- I tried to persuade him, but failed (or: but in vain).
我试图说服他，但没能办到。 - I tried to keep things going by a little teaching.
我试图通过教一点课度日。
(4) ①was/were able to do用在肯定句中，表示“过去某次成功地做到某事”，这时可与managed to do和succeeded in doing互换，但不能用could。
- I was able to catch what he said.
我听懂了他的话。 - How many eggs were you able to get?
你能搞到多少鸡蛋？ - After six hours' climbing, we succeeded in reaching/were able to reach the top of the mountain.
经过六个小时的攀登，我们到达了山顶。
②was/were able to do也可用于表示“一般(而不是具体某一次)的能力”，这时可与could互换。
- She could/was able to sing like an angel when she was a kid.
她还是小孩子时，就唱歌动听得像个天使。
(5) ①(be) capable of表示“能够/有能力/有可能做某事”，多用于人，通常接动名词。
- It was felt that she was perfectly capable of winning the championship in this event.
人们感到她完全能够赢得这个项目的冠军。 - Do you feel capable of swimming across the English Channel?
你觉得你能游过英吉利海峡吗？
②(be) capable of又表示“有可能，会(做出某种不好之事)”，用于人，可接名词、动名词。
- I know myself to be raw, quite capable of making mistakes through my lack of experience.
我知道自己是生手，很有可能因为缺乏经验而出错。 - Do you think he is capable of anything infamous or base?
你认为他可能干出什么可耻的事吗？ - Do you think he is capable of such a thing as deceiving me?
你认为他可能做出欺骗我的事吗？
③用于事物时，(be) capable of可表示“能，可能会(被)”。
- An electronic computer is capable of storing millions of bits of information and doing millions of calculations per second.
一台电子计算机能储存数百万条信息，每秒进行几百万次运算。 - Your remark is capable of misunderstanding/being misunderstood.
你的话可能会被误解。
