What a beautiful she is.= How beatiful this girl is.这个女孩真漂亮
What fine weather.= How fine the weather is.多好的天气
What a terrible journey.= How terrible the journey is.多糟糕的一次旅行
What an interesting book.= How interesting the book is.多有趣的一本书
What a good idea.= How good the idea is.多好的主意