n. 1. that which cannot be doubted 無可懷疑的事。 △2H.IV.1.1. 31: “And he is furnished with no cer-tainties”，他不會有什么確實消息。 2. true facts真相。 △Ham.4.5.138 (140): “GoodLaertes,/ If you desire to know the certainty / Ofyour dear father’s death.”好萊阿替斯，假如你想知道你父親之死的真相。