"It is obvious. And now, you see, I had narrowed the field down considerably¹. The possession of a gray garment was a third point which, granting the son's statement to be correct, was a certainty. We have come now out of mere² vagueness to the definite conception of an Australian from Ballarat with a gray cloak."

"Certainly."

"And one who was at home in the district, for the pool can only be approached by the farm or by the estate, where strangers could hardly wander."

"Quite so."

"Then comes our expedition of to-day. By an examination of the ground I gained the trifling³ details which I gave to that imbecile Lestrade, as to the personality of the criminal."

"But how did you gain them?"

"You know my method. It is founded upon the observation of trifles."

"His height I know that you might roughly judge from the length of his stride. His boots, too, might be told from their traces."

"Yes, they were peculiar⁴ boots."

"But his lameness⁵?"

"The impression of his right foot was always less distinct than his left. He put less weight upon it. Why? Because he limped--he was lame⁶."

"But his left-handedness."

"You were yourself struck by the nature of the injury as recorded by the surgeon at the inquest. The blow was struck from immediately behind, and yet was upon the left side. Now, how can that be unless it were by a left-handed man? He had stood behind that tree during the interview between the father and son. He had even smoked there. I found the ash of a cigar, which my special knowledge of tobacco ashes enables me to pronounce as an Indian cigar. I have, as you know, devoted⁷ some attention to this, and written a little monograph⁸ on the ashes of 140 different varieties of pipe, cigar, and cigarette tobacco. Having found the ash, I then looked round and discovered the

点击收听单词发音  

1 considerably
adv.极大地；相当大地；在很大程度上
参考例句：
The economic situation has changed considerably.经济形势已发生了相当大的变化。 The gap has narrowed considerably.分歧大大缩小了。

2 mere
adj.纯粹的；仅仅，只不过
参考例句：
That is a mere repetition of what you said before.那不过是重复了你以前讲的话。 It's a mere waste of time waiting any longer.再等下去纯粹是浪费时间。

3 trifling
adj.微不足道的；没什么价值的
参考例句：
They quarreled over a trifling matter.他们为这种微不足道的事情争吵。 So far Europe has no doubt, gained a real conveniency,though surely a very trifling one.直到现在为止,欧洲无疑地已经获得了实在的便利，不过那确是一种微不足道的便利。

4 peculiar
adj.古怪的，异常的；特殊的，特有的
参考例句：
He walks in a peculiar fashion.他走路的样子很奇特。 He looked at me with a very peculiar expression.他用一种很奇怪的表情看着我。

5 lameness
n. 跛, 瘸, 残废
参考例句：
Having been laughed at for his lameness,the boy became shy and inhibited. 那男孩因跛脚被人讥笑，变得羞怯而压抑。 By reason of his lameness the boy could not play games. 这男孩因脚跛不能做游戏。

6 lame
adj.跛的，(辩解、论据等)无说服力的
参考例句：
The lame man needs a stick when he walks.那跛脚男子走路时需借助拐棍。 I don't believe his story.It'sounds a bit lame.我不信他讲的那一套。他的话听起来有些靠不住。

7 devoted
adj.忠诚的，忠实的，热心的，献身于...的
参考例句：
He devoted his life to the educational cause of the motherland.他为祖国的教育事业贡献了一生。 We devoted a lengthy and full discussion to this topic.我们对这个题目进行了长时间的充分讨论。

8 monograph
n.专题文章，专题著作
参考例句：
This monograph belongs to the category of serious popular books.这本专著是一本较高深的普及读物。 It's a monograph you wrote six years ago.这是你六年前写的的专论。

9 stump
n.残株，烟蒂，讲演台；v.砍断，蹒跚而走
参考例句：
He went on the stump in his home state.他到故乡所在的州去发表演说。 He used the stump as a table.他把树桩用作桌子。

10 moss
n.苔，藓，地衣
参考例句：
Moss grows on a rock.苔藓生在石头上。 He was found asleep on a pillow of leaves and moss.有人看见他枕着树叶和苔藓睡着了。

11 holder
n.持有者，占有者；(台，架等)支持物
参考例句：
The holder of the office of chairman is reponsible for arranging meetings.担任主席职位的人负责安排会议。 That runner is the holder of the world record for the hundred-yard dash.那位运动员是一百码赛跑世界纪录的保持者。

12 drawn
v.拖，拉，拔出；adj.憔悴的，紧张的
参考例句：
All the characters in the story are drawn from life.故事中的所有人物都取材于生活。 Her gaze was drawn irresistibly to the scene outside.她的目光禁不住被外面的风景所吸引。

13 sitting-room
n.（BrE）客厅，起居室
参考例句：
The sitting-room is clean.起居室很清洁。 Each villa has a separate sitting-room.每栋别墅都有一间独立的起居室。

14 ushering
v.引，领，陪同( usher的现在分词 )
参考例句：
They were right where the coach-caller was swinging open a coach-door and ushering in two ladies. "他们走到外面时，叫马车的服务员正打开车门，请两位小姐上车。 来自英汉文学 - 嘉莉妹妹 Immediately the two of them approached others, thanking them, ushering them out one by one. 他们俩马上走到其他人面前，向他们道谢，一个个送走了他们。 来自辞典例句

15 decrepitude
n.衰老；破旧
参考例句：
Staying youth can be likened to climbing steep hill,while negligence will lead to decrepitude overnight. 保持青春已如爬坡，任由衰老会一泻千里。 The building had a general air of decrepitude and neglect.这座建筑看上去破旧失修，无人照管。

16 possessed
adj.疯狂的；拥有的，占有的
参考例句：
He flew out of the room like a man possessed.他像着了魔似地猛然冲出房门。 He behaved like someone possessed.他行为举止像是魔怔了。

17 tangled
adj. 纠缠的，紊乱的 动词tangle的过去式和过去分词
参考例句：
Your hair's so tangled that I can't comb it. 你的头发太乱了，我梳不动。 A movement caught his eye in the tangled undergrowth. 乱灌木丛里的晃动引起了他的注意。

18 drooping
adj. 下垂的，无力的 动词droop的现在分词
参考例句：
The drooping willows are waving gently in the morning breeze. 晨风中垂柳袅袅。 The branches of the drooping willows were swaying lightly. 垂柳轻飘飘地摆动。

19 eyebrows
眉毛( eyebrow的名词复数 )
参考例句：
Eyebrows stop sweat from coming down into the eyes. 眉毛挡住汗水使其不能流进眼睛。 His eyebrows project noticeably. 他的眉毛特别突出。

20 ashen
adj.灰的
参考例句：
His face was ashen and wet with sweat.他面如土色，汗如雨下。 Her ashen face showed how much the news had shocked her.她灰白的脸显示出那消息使她多么震惊。

21 nostrils
鼻孔( nostril的名词复数 )
参考例句：
Her nostrils flared with anger. 她气得两个鼻孔都鼓了起来。 The horse dilated its nostrils. 马张大鼻孔。

22 tinged
v.（使）发丁丁声( ting的过去式和过去分词 )
参考例句：
memories tinged with sadness 略带悲伤的往事 white petals tinged with blue 略带蓝色的白花瓣

23 chronic
adj.(疾病)长期未愈的，慢性的；极坏的
参考例句：
Famine differs from chronic malnutrition.饥荒不同于慢性营养不良。 Chronic poisoning may lead to death from inanition.慢性中毒也可能由虚弱导致死亡。