てっきり まさに 愈 愈々 愈愈 正に
in a manner or to a degree that could not be doubted
疑問の余地のない程度で、または方法で
it was immediately and indubitably apparent that I had interrupted a scene of lovers his guilt was established beyond a shadow of a doubt
私が恋人たちの様子を邪魔したのは、一瞬で、間違いなく明らかだった 彼の有罪は何の疑いもなく確定された