adj.不习惯，不适应，反常的，不一般的，不熟悉的

He was unaccustomed to the hustle and bustle of city life after living in the countryside for so long.
他长期在乡下生活，对城市生活的喧嚣感到不习惯。
Unaccustomed to public speaking, she felt a surge of anxiety before stepping onto the stage.
由于不习惯公开演讲，她在走上舞台前感到一阵紧张。
She was unaccustomed to such lavish hospitality and felt overwhelmed by the generosity of her hosts.
她对如此盛情款待感到不适应，被主人的热情深深打动。
The child was unaccustomed to the cold weather, as they had grown up in a tropical region.
这个孩子对寒冷的天气毫无准备，因为他们是在热带地区长大的。
Unaccustomed to the high altitude, the climbers experienced shortness of breath and dizziness.
由于不习惯高海拔，登山者们感到呼吸困难和头晕。
After years in isolation, he found it difficult to adapt to the unaccustomed social interactions.
长期的孤独后，他发现自己很难适应这种不熟悉的社交活动。
The new employee was unaccustomed to the fast-paced work environment and needed time to settle in.
新员工对快速的工作节奏感到不适应，需要时间来适应。
Unaccustomed to the silence, he found it hard to concentrate on his reading in the library.
对于寂静，他感到难以集中精力在图书馆阅读。
The elderly gentleman was unaccustomed to modern technology and struggled with using a smartphone.
这位老人对现代科技不熟悉，使用智能手机有困难。
The artist, who had spent her life in the city, was unaccustomed to the vast open spaces of the countryside.
这位一生都在城市生活的艺术家，对乡村的广阔空间感到陌生。