我有一个问题。我的马在哪？我很懊恼，但希望可以找到它。This is the free translation of your sentences! by the way you have to pay attention to these two words:那&哪 the former means there, the latter where. in chinese when a character is combined with 口 like 哪，啊 呀... THE MEANING generally has something to do with emotions and quesions. if u have problems, donot hesitate to ask me!