Suru verb, Transitive verb
to master (a skill)
１、２年でマスターするのは難しい。It is hard to master it in a year or two. Noun
proprietor; manager; owner; barkeeper
leader; chief; head
master (of arts, science, etc.)
master (recording)
master (device)
see スレーブ
master (data)
Also written マスタ