蓝天守护白云白云依偎蓝天
[lán tiān shŏu hù bái yún bái yún yī wēi lán tiān]
This online name 'Blue Sky Guards the White Cloud, and White Cloud Snuggles the Blue Sky' expresses a close and protective relationship. It symbolizes eternal companionship and dependence, much like the inseparability of sky and clouds in nature.