【素不相识】〖sù bù xing shí〗[be strangers to each other; be a complete stranger to; didn't know ... before; have never met each other before]

素娥青女读诗典，

不负众望汉英翻。

相待如宾天仙配，

识才尊贤振宇寰。

向来不认识。Never cognize. 同：素昧平生。反：一见如故。谜：熟肉、白生。