At the drop of a hat關於「At the drop of a hat in a sentence」標籤，搜尋引擎有相關的訊息討論：
Examples of 'at the drop of a hat' in a sentence - Collins Dictionarywww.collinsdictionary.com › sentences › english › at-the-d...At the drop of a hat in a sentencesentencedict.com › at the drop of a hatat the drop of a hat meaning, origin, example sentence ... - The Idiomswww.