I had no idea the beach was so close.

　　我不知道海灘原來這么近。

　　"I'd no idea Milan was so wonderful," he raved.

　　“我之前不知道米蘭是那么棒，”他感嘆道。

　　I'm so sorry – I had no idea you felt that way.

　　我很抱歉–我不知道你是那樣想的。

　　Let's get this straight—you really had no idea where he was?

　　我們把這個(gè)明確一下—你當(dāng)時(shí)真的不知道他在哪兒？

　　Steve looked blank and said he had no idea what I was talking about.

　　史蒂夫顯得很迷惑，說他不知道我在說什么。