| 释义 |
●an ˌopen ˈbooka person whose behaviour, attitudes, thoughts, etc. are very easy to understand, either because you know them very well or because they are very open and honest 极了解的人；很熟悉的人；极坦率的人◆After living with her for 20 years, she’s an open book to me.我与她共同生活了 20 年，对她了如指掌。◆His life is an open book. He has no secrets.他的生活坦坦荡荡，没有任何秘密。 OPP a closed book (to sb) |