2 sentences for 啊 (á — what)

1. 啊？你刚才说什么？

   á? nǐ gāng​cái shuō shén​me?

   Huh? What did you just say?

   Source: Dong Chinese Dictionary

2. 话说，这是哪位啊？

   huà​shuō, zhèi shì nǎ​wèi á?

   By the way, who is this?

   Source: OpenSubtitles