阃奥

阃奥	kǔn ào	innermost room / (fig.) heart
阃	kǔn	threshold / inner appartments / woman / wife (honorific)
奥	Ào	(bound form) Austria (abbr. for 奥地利) / (bound form) Olympics (abbr. for 奥林匹克)
奥	ào	obscure / mysterious