unaccustomed

adj

• ① 不习惯的<to>
  • He is unaccustomed to hardships.他不惯于吃苦。
  • I am unaccustomed to wearing a hat.我不习惯戴帽子。

• ② 不普通[寻常]的,异常的(=unusual)
  • his unaccustomed silence他罕有的沉默