1. I daresay anything he had to say in the lecture would have been old stuff to you.
   我敢說，他在演講里所談的對你來說必定是老套。

dare.say

v.intr.tr.（不及物動詞和及物動詞）
To think very likely or almost certain; suppose. Used in the first person singular present tense:
料想：認(rèn)為很可能或幾乎肯定；猜想。用于現(xiàn)在時第一人稱單數(shù)：
例句：
Will they be lateô Yes, I daresay. I daresay you`re wrong.
他們將會晚嗎ô是的，我認(rèn)為很可能。我猜想你錯了