啊 aāǎàá HSK2 exclamatory particle Definitions Defs Origin Strokes Stroke Words Sentences Sents Phonosemantic compound. 口 represents the meaning and 阿 represents the sound. Components 口 口 Meaning component kǒu, kou mouth 阿 阿 Sound component ā name prefix Sources Character origin 漢語多功能字庫Readings & variants Unicode