Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.
例文 · examples
担当者と代わります。
I'll transfer you to the right person.
私はこの仕組みを知りませんが担当者が説明するでしょう。
I don't know this system, but the man in charge will explain.
合併その他の交渉のために同社は２５人の担当者を加えた。
The firm has added 25 new associates to work on mergers and other deals.
会場に着くと早速担当者に「この絵は将来必ず値が上がる」などとしつこく言われ、契約書にサインしてしまった。
When I reached the hall right away the person in charge unrelentingly said things like "This painting is certain to increase in value in the future," and I went and signed the contract.
調査担当者はどのルートが一番容易に、すなわち一番安上がりに作れるかも、鉄道の推進者にアドバイスしうるであろう。
The surveyor could also advise the promoters which route could be most easily―and therefore most cheaply―constructed.