https://chinesecharacteraday.com/wp-content/uploads/2011/02/Di_Yi.mp3 Chinese word for number one is 一 yī https://chinesecharacteraday.com/wp-content/uploads/2011/02/Yi.mp3 When the word 第 dì https://chinesecharacteraday.com/wp-content/uploads/2011/02/Di.mp3 is placed before the number 一, the two words 第一 means First.