His wig fell off when he fell over.
彼は転んだときにかつらが取れた
His wits came back to him suddenly.
彼は突然意識を取り戻した
His words bit deeply into my conscience.
彼の言葉は私の良心に痛切にこたえた
His words cast [threw] a chill over [on] the company.
彼の言葉で座はしらけた
His words chilled me.
彼の言葉にぞっとした
His words convey nothing at all to me.
彼の言うことはさっぱりわからない
His words did not reach my heart.
彼の言葉は私の心に響かなかった
His words permit no doubt.
彼の言葉には疑いの余地がない
His words ring true [false, hollow].
彼の言葉は本当[うそ]のように思える
His words still tingle me.
彼の言葉は今も私の心をうずかせる