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certainly; surely; undoubtedly; evidently; really; truly
just; precisely; exactly
彼の行動はまさしく英雄と呼ぶにふさわしい。
His actions truly deserve to be called heroic.
まさしくその通りで反論の余地がない。
That is exactly right and there is no room for rebuttal.
これはまさしく奇跡だ。
This is nothing short of a miracle.