familiarise
词形变化：
同义词：
intimate | well-known | friendly | close | conversant | popular | personal | knowledgeable | common | confidential | acquainted | ordinary | colloquial | habitual | accessible | accepted | chatty | everyday | accustomed | neighborly | acquaintance | recognizable | versed in | customary | typical | time-honoured | time-honored | traditional | used to | au fait | aware | informal | easy | informed | well | in | versed | comrade | companion | fellow | familiar spirit | associate |
反义词：
strange | unfamiliar |