visiting a lot of different places in a very short time 走马观花的；浮光掠影的 to go on a whistle-stop tour of Europe 到欧洲各地作走马看花的观光 politicians on a whistle-stop election campaign 在各地进行蜻蜓点水式竞选宣传的政治人物
Oxford Collocations DictionaryWhistle-stop is used with these nouns:- tour