sub specie mortisyoudaoicibaDictYouDict[sub specie mortis 词源字典]
"With awareness of one's mortality; in the face of death", Early 20th cent.; earliest use found in The Living Age. From post-classical Latin sub specie mortis from classical Latin sub + speciē, ablative of speciēs + mortis, genitive of mors.[sub specie mortis etymology, sub specie mortis origin, 英语词源]