【难句解析】in the world的意思是“到底、究竟”，What in the world do you mean? 你的意思究竟是什么？

【句子翻译】“你究竟是去干什么，乔？”梅格问道。时值午后，雪花起飞，她看到妹妹脚踏胶靴，头戴雪帽，披着旧布袋，一手拿着把扫帚，一手提着个铁锹，正大步走过大厅。

2.Now, the garden separated the Marches' house from that of Mr. Laurence. Both stood in a suburb of the city, which was still countrylike, with groves and lawns, large gardens, and quiet streets. A low hedge parted the two estates. On one side was an old, brown house, looking rather bare and shabby, robbed of the vines that in summer covered its walls and the flowers, which then surrounded it.

【难句解析】separate...from...“将...和...分开”，Keep the boys separate from the girls.让男孩和女孩子分开；最后一句的which指的是前面的vines, it指的是walls and flowers，then指的是in summer；

【句子翻译】马奇家的屋和劳伦斯家的只有一园之隔。两座屋子地处市郊，颇富乡村风味，周围是草皮、小树林、大花园，还有静静的街道。一道低矮的树篱把两户人家分隔开来。树篱的一面是一所破旧的棕色房子，显得颓败荒芜，夏天盖在墙上的藤叶和绕屋的鲜花早已凋零。