assume leadership [command]
指揮をとる
assume [take] power as President
大統領に就任する
assume [take on] the mantle of ...
…の衣鉢いはつを継ぐ
assume the presidency of the EU
EUの議長に就任する
assume [fill] the role of ...
…の役を引き受ける[果たす]
assumed debt
引受債務
assumption of responsibility [risk]
責任[危険]の引き受け
assure a person's position
人の地位を不動のものとする
Assuredly, he looked splendid in his new suit.
新調の服を着こんだ彼は確かにりっぱに見えた
astigmatic vision
乱視