- A+
In the report, the manager detailed the progress his staff had made over the last year.
经理在报告中详述了下属员工在去年取得的进展。
Can you explain how the machine is operated?
请说明如何使用这台机器好吗？
narrate
I'd like to narrate my life story.
我想叙述一下我的生平。
The story is narrated by the main actor.
故事由男主角讲述。
difficult hard challenging demanding taxing testing
These words all describe sth that is not easy and requires a lot of effort or skill to do. 以上各词均形容事情困难、费力、难做。
困难概念：
The exam questions were quite difficult.
考题相当难。
It is difficult for young people to find jobs around here.
年轻人要在附近找到工作很难。
I always found languages quite hard at school.
在学校读书时我总觉得语言很难学。
It is a technically demanding piece of music to play.
演奏这一段音乐需要有很高的技艺。
This shouldn't be too taxing for you.
这对你来说不至于太费劲。
It was a testing time for us all.
对我们大家来说，这是一段伤透脑筋的时间。
demanding是这组词中语气最强的，描述任务和经历，常与more、most或表示某方面有困难的副词连用。
taxing主要用于否定句，指需要 / 不需要伤脑筋的问题或任务。
testing描述经历而非任务，主要与time、week或year连用。
图表类概念：map atlas chart graph draft，outline，diagram，plot，sketch，blueprint drawing，illustration，cartoon，diagram，picture，sketch，painting，portrait
这些名词都表示“画，图”之意。
drawing指用线条或色彩绘成的图画。
illustration指插入书页之间帮助说明的任何插图或图解。
cartoon指幽默或讽刺性漫画。
diagram多指科技书籍或文献中具有概括解说作用的图表、图样或略图。
picture指广义的“图画”，现多用来指相片、画像。
sketch通常只指画出物体主要特征的图画。
painting指着色的画。
There are two maps on the wall.
墙上有两张地图。
She was looking for the city on the map.
她正在地图上寻找那个城市。
He drew a rough map of that village.
他画了一张那个村子的草图。
She wants to buy a world atlas.
她想买一本世界地图册。
He has to prepare a sales chart for the coming meeting.
他得为即将召开的会议准备一份销售图表。
What does the world weather 
chart tell you?
你从世界气象图表中得到了什么信息？
The doctor looked at a graph of the patient's temperature.
大夫查阅了病人的体温图表。
He had to show his manager a graph of their recent sales.
他得给经理看反映他们最近销售情况的图表。
增加概念：
increase, amplify, augment, enlarge, magnify
这组词的共同意思是“扩大,延伸”。
enlarge指面积与范围的扩大,不能用以指重量、速度、时间的增大; increase可指距离、面积、力量、程度的增大,还可指数量、信心等增大和事物强度的加大,特别常用于统计方面; augment属于庄重用语,很少用来说明房屋、土地等物质的东西,通常用来表示势力、权势、财产、幸福、刑罚等增加或扩大; amplify是正式用语,在科技方面常指声音的扩大或电磁波的增强,也可指资料内容的增加; magnify指不从实际上,仅从外观上扩大某物,在俚语中, magnify有夸大事实、虚夸之义。例如:
His strength will increase when his health improves.他的健康好转后,体力也会增加的。
When sound is amplified, it can be heard a greater distance.声音一放大,可能传得更远。
He augments his wages by working in his free time.他在空闲时间加班以增加工资。
I want to enlarge the lawn.我要扩大草坪的面积。
He often magnifies himself against others.他常用抬高自己贬低对方的方法反对别人。
减少概念：
decrease, 
diminish, lessen, reduce
这组词都可表示“降低”或“减少”。其区别在于:decrease指各种事物逐渐减少、逐渐衰弱的过程; lessen指减轻强度和减缓烈度,也可指从整体上减去部分或在程度上、数量上的减少; diminish指可以看得出的“缩小”“缩减”; reduce指缩小事物的范围、强度、数量等,也可指级别、地位或经济条件的降低。例如:
Decrease the dose of medicine when you feel better.你感到好些就减少药剂用量。
The number of fighters had now diminished to two, but the hilltop remained in our hands.现在战士只剩下两个人了,但我们仍然占领着山头。
Good lubrication will reduce friction.良好的润滑会减少摩擦。
The noise lessened as the plane got further away.飞机逐渐飞远了,噪音也就减弱了。
