have it on good authority
(…ということを)確かな筋から聞いている≪that節≫
hazard
[名]1 C(場所・行為などに伴う/…にとっての)危険(性)≪of/to,for≫;U危険な状態an occupational hazard職業上の危険the hazards of smokin...
He is a fool, and no mistake.
彼は確かに愚か者だ
He is a scholar, if ever there was one.
確かに,彼こそ学者だ
He may indeed not be clever, but he is certainly honest.
なるほど彼は利口な男ではないかもしれないが,正直なのは確かだ
He might be smart, but he's also a little careless.
彼は確かに頭は切れるが,軽率なところもある
He proved that a building had indeed existed there.
彼は建物がそこに確かに存在したことを証明した
He queried whether the report was accurate (or not).
彼は報告が正確かどうか問いただした
heaven
[名]1 U〔またH-〕天国,極楽(⇔hell)(◆無冠詞)go to heaven死ぬ1a 〔H-〕神(God);〔(the) ~s〕神々,天帝,天人the will of Heaven=He...
Heaven (only [alone]) knows
((略式))1 神のみぞ知る,(…かどうかなど)だれも知らない≪wh節≫Heaven knows what's going to happen next.次は何が起きるやら2 (発言を強めて)確...