unaccustomed
🇺🇸
/ˌʌnəˈkʌstəmd/
🇬🇧
/ˌʌnəˈkʌstəmd/
Not familiar with something because you do not do it often.
I am unaccustomed to being told what to do.
我不习惯别人告诉我该做什么。
Not common or regular for someone.
I was surprised by her unaccustomed silence.
她不寻常的沉默让我感到惊讶。