Query4All.com
啊
Data generated from past analysis.
https://zh.wiktionary.org/zh-hans/%E5%95%8A
https://baike.baidu.com/item/%E5%95%8A/24078
https://zh.wiktionary.org/zh-hant/%E5%95%8A
https://zh.wikipedia.org/zh-hans/%E5%95%8A
https://www.trainchinese.com/v2/wordDetails.php?rAp=0&wordId=95664&tcLanguage=en
https://www.purpleculture.net/dictionary-details/?word=%E5%95%8A
https://dict.revised.moe.edu.tw/dictView.jsp?ID=10246&la=0&powerMode=0
https://resources.allsetlearning.com/chinese/grammar/Sentence-final_interjection_%22a%22
https://www.collinsdictionary.com/zh/dictionary/chinese-english/%E5%95%8A