"What on earth has that to do with it?" I ejaculated.
     "My dear Watson, you as a medical man are continually gaining light as to the tendencies of a child by the study of the parents. Don't you see that the converse¹ is equally valid². I have frequently gained my first real insight into the character of parents by studying their children. This child's disposition³ is abnormally cruel, merely for cruelty's sake, and whether he derives⁴ this from his smiling father, as I should suspect, or from his mother, it bodes⁵ evil for the poor girl who is in their power."
     "I am sure that you are right, Mr. Holmes," cried our client. "A thousand things come back to me which make me certain that you have hit it. Oh, let us lose not an instant in bringing help to this poor creature."
     "We must be circumspect⁶, for we are dealing⁷ with a very cunning man. We can do nothing until seven o'clock. At that hour we shall be with you, and it will not be long before we solve the mystery."
     We were as good as our word, for it was just seven when we reached the Copper⁸ Beeches⁹, having put up our trap at a wayside public-house. The group of trees, with their dark leaves shining like burnished¹⁰ metal in the light of the setting sun, were sufficient to mark the house even had Miss Hunter not been standing

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1 converse
vi.谈话，谈天，闲聊；adv.相反的，相反
参考例句：
He can converse in three languages.他可以用3种语言谈话。 I wanted to appear friendly and approachable but I think I gave the converse impression.我想显得友好、平易近人些,却发觉给人的印象恰恰相反。

2 valid
adj.有确实根据的；有效的；正当的，合法的
参考例句：
His claim to own the house is valid.他主张对此屋的所有权有效。 Do you have valid reasons for your absence?你的缺席有正当理由吗？

3 disposition
n.性情，性格；意向，倾向；排列，部署
参考例句：
He has made a good disposition of his property.他已对财产作了妥善处理。 He has a cheerful disposition.他性情开朗。

4 derives
v.得到( derive的第三人称单数 )；（从…中）得到获得；源于；（从…中）提取
参考例句：
English derives in the main from the common Germanic stock. 英语主要源于日耳曼语系。 来自《简明英汉词典》 He derives his income from freelance work. 他以自由职业获取收入。 来自《简明英汉词典》

5 bodes
v.预示，预告，预言( bode的第三人称单数 )；等待，停留( bide的过去分词 )；居住；（过去式用bided）等待
参考例句：
This bodes ill for the failure of the programme. 这是那项计划有凶兆。 来自《现代汉英综合大词典》 This bodes him no good. 这对他是不祥之兆。 来自《现代英汉综合大词典》

6 circumspect
adj.慎重的，谨慎的
参考例句：
She is very circumspect when dealing with strangers.她与陌生人打交道时十分谨慎。 He was very circumspect in his financial affairs.他对于自己的财务十分细心。

7 dealing
n.经商方法，待人态度
参考例句：
This store has an excellent reputation for fair dealing.该商店因买卖公道而享有极高的声誉。 His fair dealing earned our confidence.他的诚实的行为获得我们的信任。

8 copper
n.铜；铜币；铜器；adj.铜(制)的；(紫)铜色的
参考例句：
The students are asked to prove the purity of copper.要求学生们检验铜的纯度。 Copper is a good medium for the conduction of heat and electricity.铜是热和电的良导体。

9 beeches
n.山毛榉( beech的名词复数 )；山毛榉木材
参考例句：
The beeches, oaks and chestnuts all belong to the same family. 山毛榉树、橡树和栗子树属于同科树种。 来自互联网 There are many beeches in this wood. 这片树林里有许多山毛榉。 来自互联网

10 burnished
adj.抛光的，光亮的v.擦亮（金属等），磨光( burnish的过去式和过去分词 )；被擦亮，磨光
参考例句：
The floor was spotless; the grate and fire-irons were burnished bright. 地板上没有污迹；炉栅和火炉用具擦得发亮。 来自辞典例句 The woods today are burnished bronze. 今天的树林是一片发亮的青铜色。 来自辞典例句

11 standing
n.持续，地位；adj.永久的，不动的，直立的，不流动的
参考例句：
After the earthquake only a few houses were left standing.地震过后只有几幢房屋还立着。 They're standing out against any change in the law.他们坚决反对对法律做任何修改。

12 barricade
n.路障，栅栏，障碍；vt.设路障挡住
参考例句：
The soldiers make a barricade across the road.士兵在路上设路障。 It is difficult to break through a steel barricade.冲破钢铁障碍很难。