| 释义 |
unfamiliar with sth [not before noun] not having any knowledge or experience of sth无⋯的知识（或经验）◆the crew were unfamiliar with the safety procedures.机组人员不了解安全程序。◆those unfamiliar with the area should bring a good guide book with them.那些不了解该地区的人应随身携带一本好的旅游指南。opp familiar with sth → used to sth |