1 wife's mother, mother-in-law

1 wife's father, father-in-law

1 Yueyang prefecture-level city in Hunan

1 Mt Song 嵩山 in Henan, one of the Five Sacred Mountains 五嶽|五岳[Wǔ yuè]

1 Five Sacred Mountains of the Daoists, namely: Mt Tai 泰山[Tài Shān] in Shandong, Mt Hua 華山|华山[Huà Shān] in Shaanxi, Mt Heng 衡山[Héng Shān] in Hunan, Mt Heng 恆山|恒山[Héng Shān] in Shanxi, Mt Song 嵩山[Sōng Shān] in Henan

1 lit. Zhang Fei fights Yue Fei

2 fig. an impossible combination

3 an impossible turn of events (idiom)