adj .
familiar ; experienced 정통한 ; 경험이 많은

• After just two days on the job, Gloria was not yet _____ with the many rules laid down by her new employer.
  업무를 맡은 지 이틀밖에 안 되었기 때문에 글로리아는 새 고용주가 정한 수많은 규칙에 아직 익숙하지가 않았다.
• Several month's worth of intense television watching had made Ivan _____ with the rules of football, even though he had never played the game himself.