His style is more apt [apter] than yours.
彼の文体は君のよりも的確だ
His style is void of affectation.
彼の文体には気取りがない
His subsequent success canceled (out) his earlier blunders.
その後の成功で彼が前に犯した失策は帳消しになった
His success gave a great impetus to the others.
彼の成功は他の者に大きな刺激を与えた
His success is a tribute to hard work.
彼の成功は努力のたまものだ
His success is down to his personality.
彼の成功は彼の人柄による
His suggestion was in [of] the nature of an order.
彼の提案はむしろ命令に近かった
His superior moved him to another branch.
上司は彼を別の支店に異動させた
His sweet temper was a pleasure to everyone.
彼は気だてがよくてみんなに好かれていた
His talent set him apart as a consultant.
彼はコンサルタントとして抜群だった