15、 A sophisticated house was situated undoubtedly on an unlimited road, owned by a complicated wedding beloved maid who was afraid of air-raid.

翻譯：毫無疑問，一座復雜而先進的房子，座落在一條無限制的馬路上，由一個復雜受到愛戴的結婚少女所擁有，她害怕空襲。  

英英詳解：

sophisticated
a sophisticated machine, system, method etc is very well designed and very advanced, and often works in a complicated way:

situate
to describe or consider something as being part of something else or related to something else

undoubted
definitely true or known to exist:
-undoubtedly adverb:

unlimited
1. without any limit:
2. very large in amount:

complicated
1. difficult to understand or deal with, because many parts or details are involved
2. consisting of many closely connected parts

beloved
loved very much by someone:

maid
1. a female servant, especially in a large house or hotel.
2. old use a woman or girl who is not married ➔ old MAID

air-raid
an attack in which bombs are dropped on a place by planes