第一句：“Do none suggest themselves? You know my methods. Apply them!"
第二句：”he walked with a forward thrust of his head and a general air of peering benevolence"
第三句："This family paper was committed to my care by sir Charles Baskerville, whose sudden and tragic death some three months ago created so much excitement in Devonshire."
算了，我自己翻译得了：
1、难道（我以前的那些做法）没有暗示你（应当怎样做）吗？你知道我的方法（演绎法），那就应用它们！
2、他的头微微前倾，带着仁慈的目光凝视着向前走着
3、查尔斯·巴斯克维尔爵士的家书引起了了我的关注（关心），那位爵士在大约三个月前突然、离奇的死亡曾经在德文郡引起了如此大的轰动
