unacquainted
🇺🇸
/ˌʌnəˈkweɪntɪd/
🇬🇧
/ˌʌnəˈkweɪntɪd/
not knowing or familiar with something or someone
She was unacquainted with the new software, so she needed help to learn how to use it.
她對新軟體不熟悉,所以她需要幫助學習如何使用它。