とつぜん

とつぜん 【突然 】副詞 suddenly, all of a sudden, all at once ; unexpectedly ; abruptly .使い分け suddenly 急に予期せぬ事が起こること .all of a sudden, all at once suddenly とほぼ同意で用いるが, all of a sudden の方が口語的でより強意的 .unexpectedly 思いがけぬ事が起こること ．備えが十分でないことを暗示する .abruptly 何の予告もなく不意に変化が起こること ．しばしば不快 [不利 ]な結果を暗示する .▸ 突然そのドアが開いた Suddenly [All of a sudden, All at once ] the door opened .▸ 私は突然自分の過ちに気がついた I suddenly realized my mistake .▸ 私の息子は７歳の時に突然原因不明の病気で死んだ My son, who was seven year olds, died unexpectedly of unknown causes .▸ そのグループは突然コンサートツアーの残りをキャンセルした The group abruptly canceled the rest of the concert tour .突然の 形容詞 sudden ; 【思いがけない 】unexpected ; 【不意の 】abrupt .▸ 我々は彼の突然の死に驚いた We were surprised at his sudden [unexpected ] death .We were surprised that he died suddenly [unexpectedly ].【青天の霹靂 （へきれき ）だった 】The news of his death was (like ) a bolt from [out of ] the blue . (!通例好ましくないことに用いる ) ▸ 彼の辞職はまったく突然のことだった His resignation was very sudden .He resigned all of a sudden .突然変異 mutation (!具体例 変異種は C ) 【変異体 】a mutant .