un·ac·quaint·ed
adjective/ˌʌnəˈkweɪntɪd/
/ˌʌnəˈkweɪntɪd/
(formal)- unacquainted (with something/somebody) not familiar with something/somebody; having no experience of something
不熟悉；无经验 - visitors unacquainted with local customs
不谙当地风俗的游客
- visitors unacquainted with local customs