1.either, every, each有什么区别吗?
2.Scheme, schedule和sketch三者有什么区别?
3.Modify与convert有什么区别?
4.Manageable与controllable都可以表示 “可控制的”意思吗?
5.Chance 与 opportunity 可以互换吗?

either, every, each有什么区别吗?
A President eitheris constantly on top of events or, if he hesitates, events will soon be on top of him. --- Harry S Truman
一位总统要么经常地驾驭各种事件,要么因为犹豫不决而为事件所驾驭。---哈里·S·杜鲁门
Each confectionery has its own recipe of making chocolate and keeps it a secret.
每个甜品制造商都有其独门的巧克力配方,并且将其严格保密。
Every man who takes office in Washington either grows or swells. --- Thomas Woodrow Wilson
每一个华盛顿就任的人,不阔即发. ---托马斯·伍德罗·威尔逊

Scheme, schedule和sketch三者有什么区别?
David Cameron last week said that he wanted to put "rocket boosters" under the welfare system, which sounds like a poor schemeto me. 戴维•卡梅伦上周称,他希望在社会福利体系下面装上"火箭推进器",在我听来这可不是什么好计划。
Owing to various delays on route, we arrived two days behind schedule.
由于路上的种种耽搁, 我们比原计划迟到了两天.
The best way is to make an appointment with him in advance, because most westerners often keep a strict person schedule.
最好的方法是预先与他订个约会,因为大多数西方人常常遵守一个严格的个人时间表。
I’m traveling around Asia; I’ll have lots to say about all that, but the schedule leaves no time for the blog, at least so far.
我在环亚洲旅行;我对此有很多想说的,但是至今行程太满了,没有时间写博客。
His creative process differs from that of most designers, who typically sketch something first and then try to make it a reality.
他的创意过程与大多数设计师不同,后者通常会先画出草图,然后力求实现。
The immediate impacts on Japan are hard to quantify, but relatively easy to sketch out.
此次灾难对日本造成的直接影响目前难以量化统计,但对灾难进行简单综述相对比较容易。

Modify与convert有什么区别?
Please let us modify the price! 请通知我们修改价格！
After several months of consideration, President Obama has decided to modify a system that many of his supporters want to see scrapped.
经过数月考虑,奥巴马总统决定修正他的众多支持者希望废弃的体系。
In an attempt to add a little greenery to the concrete, many city roofs have been converted into gardens.为了给钢筋水泥丛林增添一抹绿意,东京市内的很多屋顶已被改造成花园。
He told me that he was now trying to convert his friends and colleagues to Christianity.
他告诉我他现在正在尝试着让他的朋友和同事们皈依基督教。

Manageable与controllable都可以表示“可控制的”意思吗?
The overall price level is within a controllable range and is expected to drop steadily.
总体价格水平目前处在一个可控的区间,而且预计将稳步下降。
Smoke alarms have begun ringing in a number of countries but the flames are still controllable.
烟雾警报已开始在很多国家响起,但火势仍可控制。
My hair is much more manageable since I had it cut short.
自从我把头发剪短以来,它就非常容易打理.
Take things one week at a time. Break your schedule into manageablechunks and take on each chunk separately.逐一完成每周的事情。将时间表分成容易做到的几块,并且单独完成每一块。

Chance与opportunity 可以互换吗?
For soccer fans, being able to meet Beckham would be the chance/opportunity of a lifetime.
对于足球迷来说,能遇见贝克汉姆会是个千载难逢的机会。
In the age of instant communication, a State of the Union address is less a speech than achance/opportunity to reboot.
在一个即时通信的时代,国情咨文演说与其说是一个演说,不如是一次重头再来的机会。
Ryanair has yet to make a decision on whether or not it will abandon Boeing for COMAC, but it looks like it might just take a chance.
瑞安航空至今还没有决定是否与波音诀别,转而牵手中国商用飞机公司,但有迹象表明该公司可能会去试试水。
There is only a minuscule chance that Japan’s Fukushima Daiichi nuclear plant will turn into a new Chernobyl.日本福岛第一核电站变成第二个切尔诺贝利的可能性极小。