Meaning of aò:
奥
Austria (abbr. for 奧地利|奥地利[Ao4 di4 li4]); Olympics (abbr. for 奧林匹克|奥林匹克[Ao4 lin2 pi3 ke4])
Wǒ jìhuà qù Àodìlì lǚxíng.
我计划去奥地利旅行。
I plan to travel to Austria.
Wǒmen qīdài jīnnián de ào yùnhuì.
我们期待今年的奥运会。
We are looking forward to this year's Olympics.
obscure; mysterious
Zhè běn shū de nèiróng hěn ào, xūyào shēndù lǐjiě.
这本书的内容很奥,需要深度理解。
The content of this book is very obscure and requires deep understanding.
Zhège wèntí tīng qǐlái hěn àomì.
这个问题听起来很奥秘。
This question sounds very mysterious.