Language Point 27

...could not sleep for noise without and fever within...(Para. 4)
Please notice that both "without" and "within" are used as adverbs here.
without: ad. outside The dog remained shaking without.

那狗在门外发抖。
within: ad. inside
He recognized that he must have carried about the orchestral opening to the "Rhinegold", within yet he had never been able to put it into form.

他意识到，这是久存于心中却始终未能谱写的《莱茵河的黄金》管弦乐前奏曲。
The building for sale. Enquires within.

此房出售，咨询请进！
A voice within told him what to do.

在他内深处有个声音告诉他该怎么办。
He looked calm without, but anxious within.

他外表看起来很镇静，但内心却很焦急。
He was at peace without and at war within.

他外表显得很安祥，可内心的斗争却十分激烈。