west of here感觉怪怪的

in the street 50 yards west of here

street后面都是定语吗，是名词短语作的定语吗？50 yards 和west of here如何怪怪的。

west在此是副词，50 yards修饰west。50 yards west of here是一个副词短语。in the street 和 50 yards west of here 都是地址状语，从不同角度描述一个地方。二者之间互不修饰。