流星雨划过的星空雷阵雨袭过的天空
[liú xīng yŭ huà guò de xīng kōng léi zhèn yŭ xí guò de tiān kōng]
It contrasts 'meteor showers streaking across the sky' with 'storm clouds bringing sudden rain'. The netname may depict contrasts and unpredictable events occurring unexpectedly and leaving impacts.